Home / 747,935-1,031,626.48-506,111.12

Finding the Fourth Proportional to 747,935, 1,031,626.48 and 506,111.12

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Solution

The fourth proportional to 747,935, 1,031,626.48 and 506,111.12 is: 698,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,935 : 1,031,626.48 = 506,111.12 : x
  2. Step 2: Convert to fraction form
    747,935/1,031,626.48 = 506,111.12/x
  3. Step 3: Cross multiply
    747,935x = 1,031,626.48 × 506,111.12
  4. Step 4: Simplify right side
    747,935x = 522,117,633,214.46
  5. Step 5: Solve for x
    x = 522,117,633,214.46/747,935
  6. Step 6: Final answer
    x = 698,078.89

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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.