Home / 918,000.95-1,266,816.16-510,092.29

Finding the Fourth Proportional to 918,000.95, 1,266,816.16 and 510,092.29

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Solution

The fourth proportional to 918,000.95, 1,266,816.16 and 510,092.29 is: 703,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,000.95 : 1,266,816.16 = 510,092.29 : x
  2. Step 2: Convert to fraction form
    918,000.95/1,266,816.16 = 510,092.29/x
  3. Step 3: Cross multiply
    918,000.95x = 1,266,816.16 × 510,092.29
  4. Step 4: Simplify right side
    918,000.95x = 646,193,148,289.43
  5. Step 5: Solve for x
    x = 646,193,148,289.43/918,000.95
  6. Step 6: Final answer
    x = 703,913.38

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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.