Home / 935,855.28-1,291,481.10-506,135.40

Finding the Fourth Proportional to 935,855.28, 1,291,481.10 and 506,135.40

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Solution

The fourth proportional to 935,855.28, 1,291,481.10 and 506,135.40 is: 698,467.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,855.28 : 1,291,481.10 = 506,135.40 : x
  2. Step 2: Convert to fraction form
    935,855.28/1,291,481.10 = 506,135.40/x
  3. Step 3: Cross multiply
    935,855.28x = 1,291,481.10 × 506,135.40
  4. Step 4: Simplify right side
    935,855.28x = 653,664,303,140.94
  5. Step 5: Solve for x
    x = 653,664,303,140.94/935,855.28
  6. Step 6: Final answer
    x = 698,467.29

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1.5x scale

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.