Home / 730,714.24-1,008,316.38-408,416.96

Finding the Fourth Proportional to 730,714.24, 1,008,316.38 and 408,416.96

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Solution

The fourth proportional to 730,714.24, 1,008,316.38 and 408,416.96 is: 563,576.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,714.24 : 1,008,316.38 = 408,416.96 : x
  2. Step 2: Convert to fraction form
    730,714.24/1,008,316.38 = 408,416.96/x
  3. Step 3: Cross multiply
    730,714.24x = 1,008,316.38 × 408,416.96
  4. Step 4: Simplify right side
    730,714.24x = 411,813,510,637.81
  5. Step 5: Solve for x
    x = 411,813,510,637.81/730,714.24
  6. Step 6: Final answer
    x = 563,576.69

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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.