Home / 771,160.38-1,154,728.53-620,578.14

Finding the Fourth Proportional to 771,160.38, 1,154,728.53 and 620,578.14

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Solution

The fourth proportional to 771,160.38, 1,154,728.53 and 620,578.14 is: 929,248.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,160.38 : 1,154,728.53 = 620,578.14 : x
  2. Step 2: Convert to fraction form
    771,160.38/1,154,728.53 = 620,578.14/x
  3. Step 3: Cross multiply
    771,160.38x = 1,154,728.53 × 620,578.14
  4. Step 4: Simplify right side
    771,160.38x = 716,599,283,352.33
  5. Step 5: Solve for x
    x = 716,599,283,352.33/771,160.38
  6. Step 6: Final answer
    x = 929,248.06

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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.