Home / 749,349.17-1,034,128.16-427,007.24

Finding the Fourth Proportional to 749,349.17, 1,034,128.16 and 427,007.24

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Solution

The fourth proportional to 749,349.17, 1,034,128.16 and 427,007.24 is: 589,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,349.17 : 1,034,128.16 = 427,007.24 : x
  2. Step 2: Convert to fraction form
    749,349.17/1,034,128.16 = 427,007.24/x
  3. Step 3: Cross multiply
    749,349.17x = 1,034,128.16 × 427,007.24
  4. Step 4: Simplify right side
    749,349.17x = 441,580,204,102.20
  5. Step 5: Solve for x
    x = 441,580,204,102.20/749,349.17
  6. Step 6: Final answer
    x = 589,284.98

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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.