Home / 772,438.91-1,066,241.56-527,248.17

Finding the Fourth Proportional to 772,438.91, 1,066,241.56 and 527,248.17

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Solution

The fourth proportional to 772,438.91, 1,066,241.56 and 527,248.17 is: 727,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,438.91 : 1,066,241.56 = 527,248.17 : x
  2. Step 2: Convert to fraction form
    772,438.91/1,066,241.56 = 527,248.17/x
  3. Step 3: Cross multiply
    772,438.91x = 1,066,241.56 × 527,248.17
  4. Step 4: Simplify right side
    772,438.91x = 562,173,905,956.74
  5. Step 5: Solve for x
    x = 562,173,905,956.74/772,438.91
  6. Step 6: Final answer
    x = 727,790.77

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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.