Home / 877,562.13-1,316,343.20-212,714.13

Finding the Fourth Proportional to 877,562.13, 1,316,343.20 and 212,714.13

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Solution

The fourth proportional to 877,562.13, 1,316,343.20 and 212,714.13 is: 319,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,562.13 : 1,316,343.20 = 212,714.13 : x
  2. Step 2: Convert to fraction form
    877,562.13/1,316,343.20 = 212,714.13/x
  3. Step 3: Cross multiply
    877,562.13x = 1,316,343.20 × 212,714.13
  4. Step 4: Simplify right side
    877,562.13x = 280,004,798,569.42
  5. Step 5: Solve for x
    x = 280,004,798,569.42/877,562.13
  6. Step 6: Final answer
    x = 319,071.20

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Similar ratio
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1.5x scale

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.