Home / 977,471.71-1,348,897.93-547,760.23

Finding the Fourth Proportional to 977,471.71, 1,348,897.93 and 547,760.23

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Solution

The fourth proportional to 977,471.71, 1,348,897.93 and 547,760.23 is: 755,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,471.71 : 1,348,897.93 = 547,760.23 : x
  2. Step 2: Convert to fraction form
    977,471.71/1,348,897.93 = 547,760.23/x
  3. Step 3: Cross multiply
    977,471.71x = 1,348,897.93 × 547,760.23
  4. Step 4: Simplify right side
    977,471.71x = 738,872,638,380.48
  5. Step 5: Solve for x
    x = 738,872,638,380.48/977,471.71
  6. Step 6: Final answer
    x = 755,901.82

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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.