Home / 591,120.71-886,681.75-191,792.62

Finding the Fourth Proportional to 591,120.71, 886,681.75 and 191,792.62

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Solution

The fourth proportional to 591,120.71, 886,681.75 and 191,792.62 is: 287,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,120.71 : 886,681.75 = 191,792.62 : x
  2. Step 2: Convert to fraction form
    591,120.71/886,681.75 = 191,792.62/x
  3. Step 3: Cross multiply
    591,120.71x = 886,681.75 × 191,792.62
  4. Step 4: Simplify right side
    591,120.71x = 170,059,018,443.77
  5. Step 5: Solve for x
    x = 170,059,018,443.77/591,120.71
  6. Step 6: Final answer
    x = 287,689.16

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Similar ratio
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1.5x scale

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.