Home / 1,115,599.40-1,539,539.10-606,301.80

Finding the Fourth Proportional to 1,115,599.40, 1,539,539.10 and 606,301.80

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Solution

The fourth proportional to 1,115,599.40, 1,539,539.10 and 606,301.80 is: 836,702.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,599.40 : 1,539,539.10 = 606,301.80 : x
  2. Step 2: Convert to fraction form
    1,115,599.40/1,539,539.10 = 606,301.80/x
  3. Step 3: Cross multiply
    1,115,599.40x = 1,539,539.10 × 606,301.80
  4. Step 4: Simplify right side
    1,115,599.40x = 933,425,327,500.38
  5. Step 5: Solve for x
    x = 933,425,327,500.38/1,115,599.40
  6. Step 6: Final answer
    x = 836,702.97

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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.