Home / 755,663.95-1,041,042.45-525,825.96

Finding the Fourth Proportional to 755,663.95, 1,041,042.45 and 525,825.96

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Solution

The fourth proportional to 755,663.95, 1,041,042.45 and 525,825.96 is: 724,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,663.95 : 1,041,042.45 = 525,825.96 : x
  2. Step 2: Convert to fraction form
    755,663.95/1,041,042.45 = 525,825.96/x
  3. Step 3: Cross multiply
    755,663.95x = 1,041,042.45 × 525,825.96
  4. Step 4: Simplify right side
    755,663.95x = 547,407,145,672.00
  5. Step 5: Solve for x
    x = 547,407,145,672.00/755,663.95
  6. Step 6: Final answer
    x = 724,405.53

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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.