Home / 742,382.04-1,024,490.01-402,850.32

Finding the Fourth Proportional to 742,382.04, 1,024,490.01 and 402,850.32

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Solution

The fourth proportional to 742,382.04, 1,024,490.01 and 402,850.32 is: 555,934.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,382.04 : 1,024,490.01 = 402,850.32 : x
  2. Step 2: Convert to fraction form
    742,382.04/1,024,490.01 = 402,850.32/x
  3. Step 3: Cross multiply
    742,382.04x = 1,024,490.01 × 402,850.32
  4. Step 4: Simplify right side
    742,382.04x = 412,716,128,365.30
  5. Step 5: Solve for x
    x = 412,716,128,365.30/742,382.04
  6. Step 6: Final answer
    x = 555,934.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.