Home / 1,528,806.20-2,293,209.30-391,566.20

Finding the Fourth Proportional to 1,528,806.20, 2,293,209.30 and 391,566.20

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Solution

The fourth proportional to 1,528,806.20, 2,293,209.30 and 391,566.20 is: 587,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,806.20 : 2,293,209.30 = 391,566.20 : x
  2. Step 2: Convert to fraction form
    1,528,806.20/2,293,209.30 = 391,566.20/x
  3. Step 3: Cross multiply
    1,528,806.20x = 2,293,209.30 × 391,566.20
  4. Step 4: Simplify right side
    1,528,806.20x = 897,943,251,405.66
  5. Step 5: Solve for x
    x = 897,943,251,405.66/1,528,806.20
  6. Step 6: Final answer
    x = 587,349.30

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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.