Home / 1,142,861.90-1,714,532.62-432,874.22

Finding the Fourth Proportional to 1,142,861.90, 1,714,532.62 and 432,874.22

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Solution

The fourth proportional to 1,142,861.90, 1,714,532.62 and 432,874.22 is: 649,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,861.90 : 1,714,532.62 = 432,874.22 : x
  2. Step 2: Convert to fraction form
    1,142,861.90/1,714,532.62 = 432,874.22/x
  3. Step 3: Cross multiply
    1,142,861.90x = 1,714,532.62 × 432,874.22
  4. Step 4: Simplify right side
    1,142,861.90x = 742,176,970,547.06
  5. Step 5: Solve for x
    x = 742,176,970,547.06/1,142,861.90
  6. Step 6: Final answer
    x = 649,402.15

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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.