Home / 459,134.10-688,701.15-334,718.10

Finding the Fourth Proportional to 459,134.10, 688,701.15 and 334,718.10

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Solution

The fourth proportional to 459,134.10, 688,701.15 and 334,718.10 is: 502,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,134.10 : 688,701.15 = 334,718.10 : x
  2. Step 2: Convert to fraction form
    459,134.10/688,701.15 = 334,718.10/x
  3. Step 3: Cross multiply
    459,134.10x = 688,701.15 × 334,718.10
  4. Step 4: Simplify right side
    459,134.10x = 230,520,740,395.82
  5. Step 5: Solve for x
    x = 230,520,740,395.82/459,134.10
  6. Step 6: Final answer
    x = 502,077.15

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Similar ratio
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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.