Home / 989,251.80-1,483,877.70-616,003.80

Finding the Fourth Proportional to 989,251.80, 1,483,877.70 and 616,003.80

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Solution

The fourth proportional to 989,251.80, 1,483,877.70 and 616,003.80 is: 924,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,251.80 : 1,483,877.70 = 616,003.80 : x
  2. Step 2: Convert to fraction form
    989,251.80/1,483,877.70 = 616,003.80/x
  3. Step 3: Cross multiply
    989,251.80x = 1,483,877.70 × 616,003.80
  4. Step 4: Simplify right side
    989,251.80x = 914,074,301,935.26
  5. Step 5: Solve for x
    x = 914,074,301,935.26/989,251.80
  6. Step 6: Final answer
    x = 924,005.70

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Double scale
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Similar ratio
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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.