Home / 771,112.53-1,064,168.53-426,948.44

Finding the Fourth Proportional to 771,112.53, 1,064,168.53 and 426,948.44

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Solution

The fourth proportional to 771,112.53, 1,064,168.53 and 426,948.44 is: 589,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,112.53 : 1,064,168.53 = 426,948.44 : x
  2. Step 2: Convert to fraction form
    771,112.53/1,064,168.53 = 426,948.44/x
  3. Step 3: Cross multiply
    771,112.53x = 1,064,168.53 × 426,948.44
  4. Step 4: Simplify right side
    771,112.53x = 454,345,098,772.89
  5. Step 5: Solve for x
    x = 454,345,098,772.89/771,112.53
  6. Step 6: Final answer
    x = 589,207.26

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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.