Home / 1,046,012.30-1,569,018.45-287,852.30

Finding the Fourth Proportional to 1,046,012.30, 1,569,018.45 and 287,852.30

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Solution

The fourth proportional to 1,046,012.30, 1,569,018.45 and 287,852.30 is: 431,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,012.30 : 1,569,018.45 = 287,852.30 : x
  2. Step 2: Convert to fraction form
    1,046,012.30/1,569,018.45 = 287,852.30/x
  3. Step 3: Cross multiply
    1,046,012.30x = 1,569,018.45 × 287,852.30
  4. Step 4: Simplify right side
    1,046,012.30x = 451,645,569,574.94
  5. Step 5: Solve for x
    x = 451,645,569,574.94/1,046,012.30
  6. Step 6: Final answer
    x = 431,778.45

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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.