Home / 868,011.28-1,197,865.15-480,832.63

Finding the Fourth Proportional to 868,011.28, 1,197,865.15 and 480,832.63

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Solution

The fourth proportional to 868,011.28, 1,197,865.15 and 480,832.63 is: 663,554.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,011.28 : 1,197,865.15 = 480,832.63 : x
  2. Step 2: Convert to fraction form
    868,011.28/1,197,865.15 = 480,832.63/x
  3. Step 3: Cross multiply
    868,011.28x = 1,197,865.15 × 480,832.63
  4. Step 4: Simplify right side
    868,011.28x = 575,972,650,459.85
  5. Step 5: Solve for x
    x = 575,972,650,459.85/868,011.28
  6. Step 6: Final answer
    x = 663,554.34

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Double scale
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1.5x scale

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.