Home / 761,848.49-1,051,345.11-417,680.30

Finding the Fourth Proportional to 761,848.49, 1,051,345.11 and 417,680.30

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Solution

The fourth proportional to 761,848.49, 1,051,345.11 and 417,680.30 is: 576,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,848.49 : 1,051,345.11 = 417,680.30 : x
  2. Step 2: Convert to fraction form
    761,848.49/1,051,345.11 = 417,680.30/x
  3. Step 3: Cross multiply
    761,848.49x = 1,051,345.11 × 417,680.30
  4. Step 4: Simplify right side
    761,848.49x = 439,126,135,691.61
  5. Step 5: Solve for x
    x = 439,126,135,691.61/761,848.49
  6. Step 6: Final answer
    x = 576,395.63

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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.