Home / 678,084.82-1,017,127.19-528,437.05

Finding the Fourth Proportional to 678,084.82, 1,017,127.19 and 528,437.05

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Solution

The fourth proportional to 678,084.82, 1,017,127.19 and 528,437.05 is: 792,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,084.82 : 1,017,127.19 = 528,437.05 : x
  2. Step 2: Convert to fraction form
    678,084.82/1,017,127.19 = 528,437.05/x
  3. Step 3: Cross multiply
    678,084.82x = 1,017,127.19 × 528,437.05
  4. Step 4: Simplify right side
    678,084.82x = 537,487,690,536.66
  5. Step 5: Solve for x
    x = 537,487,690,536.66/678,084.82
  6. Step 6: Final answer
    x = 792,655.54

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Double scale
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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.