Home / 866,237.68-1,296,429.18-618,526.72

Finding the Fourth Proportional to 866,237.68, 1,296,429.18 and 618,526.72

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Solution

The fourth proportional to 866,237.68, 1,296,429.18 and 618,526.72 is: 925,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,237.68 : 1,296,429.18 = 618,526.72 : x
  2. Step 2: Convert to fraction form
    866,237.68/1,296,429.18 = 618,526.72/x
  3. Step 3: Cross multiply
    866,237.68x = 1,296,429.18 × 618,526.72
  4. Step 4: Simplify right side
    866,237.68x = 801,876,088,417.69
  5. Step 5: Solve for x
    x = 801,876,088,417.69/866,237.68
  6. Step 6: Final answer
    x = 925,699.85

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1.5x scale

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.