Home / 872,966.95-1,309,068.67-440,418.27

Finding the Fourth Proportional to 872,966.95, 1,309,068.67 and 440,418.27

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Solution

The fourth proportional to 872,966.95, 1,309,068.67 and 440,418.27 is: 660,434.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,966.95 : 1,309,068.67 = 440,418.27 : x
  2. Step 2: Convert to fraction form
    872,966.95/1,309,068.67 = 440,418.27/x
  3. Step 3: Cross multiply
    872,966.95x = 1,309,068.67 × 440,418.27
  4. Step 4: Simplify right side
    872,966.95x = 576,537,758,952.60
  5. Step 5: Solve for x
    x = 576,537,758,952.60/872,966.95
  6. Step 6: Final answer
    x = 660,434.81

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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.