Home / 918,984-1,266,868.43-608,366.10

Finding the Fourth Proportional to 918,984, 1,266,868.43 and 608,366.10

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Solution

The fourth proportional to 918,984, 1,266,868.43 and 608,366.10 is: 838,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,984 : 1,266,868.43 = 608,366.10 : x
  2. Step 2: Convert to fraction form
    918,984/1,266,868.43 = 608,366.10/x
  3. Step 3: Cross multiply
    918,984x = 1,266,868.43 × 608,366.10
  4. Step 4: Simplify right side
    918,984x = 770,719,807,493.14
  5. Step 5: Solve for x
    x = 770,719,807,493.14/918,984
  6. Step 6: Final answer
    x = 838,665.10

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Double scale
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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.