Home / 689,077.24-951,218.22-646,032.76

Finding the Fourth Proportional to 689,077.24, 951,218.22 and 646,032.76

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Solution

The fourth proportional to 689,077.24, 951,218.22 and 646,032.76 is: 891,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,077.24 : 951,218.22 = 646,032.76 : x
  2. Step 2: Convert to fraction form
    689,077.24/951,218.22 = 646,032.76/x
  3. Step 3: Cross multiply
    689,077.24x = 951,218.22 × 646,032.76
  4. Step 4: Simplify right side
    689,077.24x = 614,518,132,028.89
  5. Step 5: Solve for x
    x = 614,518,132,028.89/689,077.24
  6. Step 6: Final answer
    x = 891,798.62

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Double scale
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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.