Home / 1,726,280.70-2,589,421.05-660,774.30

Finding the Fourth Proportional to 1,726,280.70, 2,589,421.05 and 660,774.30

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Solution

The fourth proportional to 1,726,280.70, 2,589,421.05 and 660,774.30 is: 991,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,280.70 : 2,589,421.05 = 660,774.30 : x
  2. Step 2: Convert to fraction form
    1,726,280.70/2,589,421.05 = 660,774.30/x
  3. Step 3: Cross multiply
    1,726,280.70x = 2,589,421.05 × 660,774.30
  4. Step 4: Simplify right side
    1,726,280.70x = 1,711,022,881,719.02
  5. Step 5: Solve for x
    x = 1,711,022,881,719.02/1,726,280.70
  6. Step 6: Final answer
    x = 991,161.45

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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.