Home / 898,004.64-1,239,458.85-516,253.26

Finding the Fourth Proportional to 898,004.64, 1,239,458.85 and 516,253.26

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Solution

The fourth proportional to 898,004.64, 1,239,458.85 and 516,253.26 is: 712,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,004.64 : 1,239,458.85 = 516,253.26 : x
  2. Step 2: Convert to fraction form
    898,004.64/1,239,458.85 = 516,253.26/x
  3. Step 3: Cross multiply
    898,004.64x = 1,239,458.85 × 516,253.26
  4. Step 4: Simplify right side
    898,004.64x = 639,874,671,948.35
  5. Step 5: Solve for x
    x = 639,874,671,948.35/898,004.64
  6. Step 6: Final answer
    x = 712,551.63

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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.