Home / 1,137,478.80-1,706,218.20-577,606.80

Finding the Fourth Proportional to 1,137,478.80, 1,706,218.20 and 577,606.80

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Solution

The fourth proportional to 1,137,478.80, 1,706,218.20 and 577,606.80 is: 866,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,478.80 : 1,706,218.20 = 577,606.80 : x
  2. Step 2: Convert to fraction form
    1,137,478.80/1,706,218.20 = 577,606.80/x
  3. Step 3: Cross multiply
    1,137,478.80x = 1,706,218.20 × 577,606.80
  4. Step 4: Simplify right side
    1,137,478.80x = 985,523,234,603.76
  5. Step 5: Solve for x
    x = 985,523,234,603.76/1,137,478.80
  6. Step 6: Final answer
    x = 866,410.20

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Double scale
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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.