Home / 891,938.39-1,230,875.82-484,040.30

Finding the Fourth Proportional to 891,938.39, 1,230,875.82 and 484,040.30

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Solution

The fourth proportional to 891,938.39, 1,230,875.82 and 484,040.30 is: 667,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,938.39 : 1,230,875.82 = 484,040.30 : x
  2. Step 2: Convert to fraction form
    891,938.39/1,230,875.82 = 484,040.30/x
  3. Step 3: Cross multiply
    891,938.39x = 1,230,875.82 × 484,040.30
  4. Step 4: Simplify right side
    891,938.39x = 595,793,495,021.17
  5. Step 5: Solve for x
    x = 595,793,495,021.17/891,938.39
  6. Step 6: Final answer
    x = 667,976.07

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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.