Home / 917,076.30-1,375,614.45-707,124.30

Finding the Fourth Proportional to 917,076.30, 1,375,614.45 and 707,124.30

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Solution

The fourth proportional to 917,076.30, 1,375,614.45 and 707,124.30 is: 1,060,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,076.30 : 1,375,614.45 = 707,124.30 : x
  2. Step 2: Convert to fraction form
    917,076.30/1,375,614.45 = 707,124.30/x
  3. Step 3: Cross multiply
    917,076.30x = 1,375,614.45 × 707,124.30
  4. Step 4: Simplify right side
    917,076.30x = 972,730,405,026.14
  5. Step 5: Solve for x
    x = 972,730,405,026.14/917,076.30
  6. Step 6: Final answer
    x = 1,060,686.45

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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.