Home / 1,187,673.40-1,781,510.10-346,310.20

Finding the Fourth Proportional to 1,187,673.40, 1,781,510.10 and 346,310.20

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Solution

The fourth proportional to 1,187,673.40, 1,781,510.10 and 346,310.20 is: 519,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,673.40 : 1,781,510.10 = 346,310.20 : x
  2. Step 2: Convert to fraction form
    1,187,673.40/1,781,510.10 = 346,310.20/x
  3. Step 3: Cross multiply
    1,187,673.40x = 1,781,510.10 × 346,310.20
  4. Step 4: Simplify right side
    1,187,673.40x = 616,955,119,033.02
  5. Step 5: Solve for x
    x = 616,955,119,033.02/1,187,673.40
  6. Step 6: Final answer
    x = 519,465.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.