Home / 763,649.19-1,053,774.23-441,380.16

Finding the Fourth Proportional to 763,649.19, 1,053,774.23 and 441,380.16

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Solution

The fourth proportional to 763,649.19, 1,053,774.23 and 441,380.16 is: 609,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,649.19 : 1,053,774.23 = 441,380.16 : x
  2. Step 2: Convert to fraction form
    763,649.19/1,053,774.23 = 441,380.16/x
  3. Step 3: Cross multiply
    763,649.19x = 1,053,774.23 × 441,380.16
  4. Step 4: Simplify right side
    763,649.19x = 465,115,036,034.38
  5. Step 5: Solve for x
    x = 465,115,036,034.38/763,649.19
  6. Step 6: Final answer
    x = 609,068.98

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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.