Home / 747,281.54-1,031,271.27-425,038.03

Finding the Fourth Proportional to 747,281.54, 1,031,271.27 and 425,038.03

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Solution

The fourth proportional to 747,281.54, 1,031,271.27 and 425,038.03 is: 586,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,281.54 : 1,031,271.27 = 425,038.03 : x
  2. Step 2: Convert to fraction form
    747,281.54/1,031,271.27 = 425,038.03/x
  3. Step 3: Cross multiply
    747,281.54x = 1,031,271.27 × 425,038.03
  4. Step 4: Simplify right side
    747,281.54x = 438,329,508,996.40
  5. Step 5: Solve for x
    x = 438,329,508,996.40/747,281.54
  6. Step 6: Final answer
    x = 586,565.42

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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.