Home / 656,999.60-985,499.40-524,139.35

Finding the Fourth Proportional to 656,999.60, 985,499.40 and 524,139.35

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Solution

The fourth proportional to 656,999.60, 985,499.40 and 524,139.35 is: 786,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,999.60 : 985,499.40 = 524,139.35 : x
  2. Step 2: Convert to fraction form
    656,999.60/985,499.40 = 524,139.35/x
  3. Step 3: Cross multiply
    656,999.60x = 985,499.40 × 524,139.35
  4. Step 4: Simplify right side
    656,999.60x = 516,539,014,941.39
  5. Step 5: Solve for x
    x = 516,539,014,941.39/656,999.60
  6. Step 6: Final answer
    x = 786,209.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.