Home / 1,091,225.47-1,505,966.84-661,523.71

Finding the Fourth Proportional to 1,091,225.47, 1,505,966.84 and 661,523.71

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Solution

The fourth proportional to 1,091,225.47, 1,505,966.84 and 661,523.71 is: 912,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,225.47 : 1,505,966.84 = 661,523.71 : x
  2. Step 2: Convert to fraction form
    1,091,225.47/1,505,966.84 = 661,523.71/x
  3. Step 3: Cross multiply
    1,091,225.47x = 1,505,966.84 × 661,523.71
  4. Step 4: Simplify right side
    1,091,225.47x = 996,232,767,826.16
  5. Step 5: Solve for x
    x = 996,232,767,826.16/1,091,225.47
  6. Step 6: Final answer
    x = 912,948.60

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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.