Home / 1,528,866.60-2,293,291.80-391,626.60

Finding the Fourth Proportional to 1,528,866.60, 2,293,291.80 and 391,626.60

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Solution

The fourth proportional to 1,528,866.60, 2,293,291.80 and 391,626.60 is: 587,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,866.60 : 2,293,291.80 = 391,626.60 : x
  2. Step 2: Convert to fraction form
    1,528,866.60/2,293,291.80 = 391,626.60/x
  3. Step 3: Cross multiply
    1,528,866.60x = 2,293,291.80 × 391,626.60
  4. Step 4: Simplify right side
    1,528,866.60x = 898,114,070,441.88
  5. Step 5: Solve for x
    x = 898,114,070,441.88/1,528,866.60
  6. Step 6: Final answer
    x = 587,437.83

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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.