Home / 1,091,812.28-1,506,813.06-656,370.59

Finding the Fourth Proportional to 1,091,812.28, 1,506,813.06 and 656,370.59

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Solution

The fourth proportional to 1,091,812.28, 1,506,813.06 and 656,370.59 is: 905,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,812.28 : 1,506,813.06 = 656,370.59 : x
  2. Step 2: Convert to fraction form
    1,091,812.28/1,506,813.06 = 656,370.59/x
  3. Step 3: Cross multiply
    1,091,812.28x = 1,506,813.06 × 656,370.59
  4. Step 4: Simplify right side
    1,091,812.28x = 989,027,781,024.46
  5. Step 5: Solve for x
    x = 989,027,781,024.46/1,091,812.28
  6. Step 6: Final answer
    x = 905,858.82

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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.