Home / 891,677.76-1,230,515.33-509,712.75

Finding the Fourth Proportional to 891,677.76, 1,230,515.33 and 509,712.75

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Solution

The fourth proportional to 891,677.76, 1,230,515.33 and 509,712.75 is: 703,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,677.76 : 1,230,515.33 = 509,712.75 : x
  2. Step 2: Convert to fraction form
    891,677.76/1,230,515.33 = 509,712.75/x
  3. Step 3: Cross multiply
    891,677.76x = 1,230,515.33 × 509,712.75
  4. Step 4: Simplify right side
    891,677.76x = 627,209,350,222.89
  5. Step 5: Solve for x
    x = 627,209,350,222.89/891,677.76
  6. Step 6: Final answer
    x = 703,403.60

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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.