Home / 1,119,806.22-1,545,332.52-636,372.30

Finding the Fourth Proportional to 1,119,806.22, 1,545,332.52 and 636,372.30

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Solution

The fourth proportional to 1,119,806.22, 1,545,332.52 and 636,372.30 is: 878,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,806.22 : 1,545,332.52 = 636,372.30 : x
  2. Step 2: Convert to fraction form
    1,119,806.22/1,545,332.52 = 636,372.30/x
  3. Step 3: Cross multiply
    1,119,806.22x = 1,545,332.52 × 636,372.30
  4. Step 4: Simplify right side
    1,119,806.22x = 983,406,810,017.20
  5. Step 5: Solve for x
    x = 983,406,810,017.20/1,119,806.22
  6. Step 6: Final answer
    x = 878,193.74

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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.