Home / 747,889.47-1,031,563.76-506,065.59

Finding the Fourth Proportional to 747,889.47, 1,031,563.76 and 506,065.59

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Solution

The fourth proportional to 747,889.47, 1,031,563.76 and 506,065.59 is: 698,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,889.47 : 1,031,563.76 = 506,065.59 : x
  2. Step 2: Convert to fraction form
    747,889.47/1,031,563.76 = 506,065.59/x
  3. Step 3: Cross multiply
    747,889.47x = 1,031,563.76 × 506,065.59
  4. Step 4: Simplify right side
    747,889.47x = 522,038,920,296.69
  5. Step 5: Solve for x
    x = 522,038,920,296.69/747,889.47
  6. Step 6: Final answer
    x = 698,016.14

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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.