Home / 854,087.28-1,178,640.06-514,621.14

Finding the Fourth Proportional to 854,087.28, 1,178,640.06 and 514,621.14

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Solution

The fourth proportional to 854,087.28, 1,178,640.06 and 514,621.14 is: 710,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,087.28 : 1,178,640.06 = 514,621.14 : x
  2. Step 2: Convert to fraction form
    854,087.28/1,178,640.06 = 514,621.14/x
  3. Step 3: Cross multiply
    854,087.28x = 1,178,640.06 × 514,621.14
  4. Step 4: Simplify right side
    854,087.28x = 606,553,091,326.87
  5. Step 5: Solve for x
    x = 606,553,091,326.87/854,087.28
  6. Step 6: Final answer
    x = 710,176.94

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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.