Home / 935,806.64-1,291,417.05-506,086.77

Finding the Fourth Proportional to 935,806.64, 1,291,417.05 and 506,086.77

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Solution

The fourth proportional to 935,806.64, 1,291,417.05 and 506,086.77 is: 698,401.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,806.64 : 1,291,417.05 = 506,086.77 : x
  2. Step 2: Convert to fraction form
    935,806.64/1,291,417.05 = 506,086.77/x
  3. Step 3: Cross multiply
    935,806.64x = 1,291,417.05 × 506,086.77
  4. Step 4: Simplify right side
    935,806.64x = 653,569,083,557.43
  5. Step 5: Solve for x
    x = 653,569,083,557.43/935,806.64
  6. Step 6: Final answer
    x = 698,401.84

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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.