Home / 935,860.55-1,291,487.55-506,140.68

Finding the Fourth Proportional to 935,860.55, 1,291,487.55 and 506,140.68

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Solution

The fourth proportional to 935,860.55, 1,291,487.55 and 506,140.68 is: 698,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,860.55 : 1,291,487.55 = 506,140.68 : x
  2. Step 2: Convert to fraction form
    935,860.55/1,291,487.55 = 506,140.68/x
  3. Step 3: Cross multiply
    935,860.55x = 1,291,487.55 × 506,140.68
  4. Step 4: Simplify right side
    935,860.55x = 653,674,382,375.44
  5. Step 5: Solve for x
    x = 653,674,382,375.44/935,860.55
  6. Step 6: Final answer
    x = 698,474.13

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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.