Home / 1,541,566.60-2,312,234.70-642,776.20

Finding the Fourth Proportional to 1,541,566.60, 2,312,234.70 and 642,776.20

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Solution

The fourth proportional to 1,541,566.60, 2,312,234.70 and 642,776.20 is: 964,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,566.60 : 2,312,234.70 = 642,776.20 : x
  2. Step 2: Convert to fraction form
    1,541,566.60/2,312,234.70 = 642,776.20/x
  3. Step 3: Cross multiply
    1,541,566.60x = 2,312,234.70 × 642,776.20
  4. Step 4: Simplify right side
    1,541,566.60x = 1,486,249,433,974.14
  5. Step 5: Solve for x
    x = 1,486,249,433,974.14/1,541,566.60
  6. Step 6: Final answer
    x = 964,116.27

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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.