Home / 1,157,141.04-1,596,819.33-640,874.45

Finding the Fourth Proportional to 1,157,141.04, 1,596,819.33 and 640,874.45

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Solution

The fourth proportional to 1,157,141.04, 1,596,819.33 and 640,874.45 is: 884,387.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,141.04 : 1,596,819.33 = 640,874.45 : x
  2. Step 2: Convert to fraction form
    1,157,141.04/1,596,819.33 = 640,874.45/x
  3. Step 3: Cross multiply
    1,157,141.04x = 1,596,819.33 × 640,874.45
  4. Step 4: Simplify right side
    1,157,141.04x = 1,023,360,701,879.02
  5. Step 5: Solve for x
    x = 1,023,360,701,879.02/1,157,141.04
  6. Step 6: Final answer
    x = 884,387.18

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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.