Home / 1,140,511.95-1,711,147.94-382,428.36

Finding the Fourth Proportional to 1,140,511.95, 1,711,147.94 and 382,428.36

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Solution

The fourth proportional to 1,140,511.95, 1,711,147.94 and 382,428.36 is: 573,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,511.95 : 1,711,147.94 = 382,428.36 : x
  2. Step 2: Convert to fraction form
    1,140,511.95/1,711,147.94 = 382,428.36/x
  3. Step 3: Cross multiply
    1,140,511.95x = 1,711,147.94 × 382,428.36
  4. Step 4: Simplify right side
    1,140,511.95x = 654,391,500,411.58
  5. Step 5: Solve for x
    x = 654,391,500,411.58/1,140,511.95
  6. Step 6: Final answer
    x = 573,769.96

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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.