Home / 1,161,582.60-1,603,063.62-645,398.76

Finding the Fourth Proportional to 1,161,582.60, 1,603,063.62 and 645,398.76

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Solution

The fourth proportional to 1,161,582.60, 1,603,063.62 and 645,398.76 is: 890,694.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,582.60 : 1,603,063.62 = 645,398.76 : x
  2. Step 2: Convert to fraction form
    1,161,582.60/1,603,063.62 = 645,398.76/x
  3. Step 3: Cross multiply
    1,161,582.60x = 1,603,063.62 × 645,398.76
  4. Step 4: Simplify right side
    1,161,582.60x = 1,034,615,272,549.11
  5. Step 5: Solve for x
    x = 1,034,615,272,549.11/1,161,582.60
  6. Step 6: Final answer
    x = 890,694.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.