Home / 1,056,187.40-1,584,281.10-346,287.20

Finding the Fourth Proportional to 1,056,187.40, 1,584,281.10 and 346,287.20

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Solution

The fourth proportional to 1,056,187.40, 1,584,281.10 and 346,287.20 is: 519,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,187.40 : 1,584,281.10 = 346,287.20 : x
  2. Step 2: Convert to fraction form
    1,056,187.40/1,584,281.10 = 346,287.20/x
  3. Step 3: Cross multiply
    1,056,187.40x = 1,584,281.10 × 346,287.20
  4. Step 4: Simplify right side
    1,056,187.40x = 548,616,266,131.92
  5. Step 5: Solve for x
    x = 548,616,266,131.92/1,056,187.40
  6. Step 6: Final answer
    x = 519,430.80

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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.