Home / 976,657.16-1,464,756.08-266,516.39

Finding the Fourth Proportional to 976,657.16, 1,464,756.08 and 266,516.39

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Solution

The fourth proportional to 976,657.16, 1,464,756.08 and 266,516.39 is: 399,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,657.16 : 1,464,756.08 = 266,516.39 : x
  2. Step 2: Convert to fraction form
    976,657.16/1,464,756.08 = 266,516.39/x
  3. Step 3: Cross multiply
    976,657.16x = 1,464,756.08 × 266,516.39
  4. Step 4: Simplify right side
    976,657.16x = 390,381,505,001.46
  5. Step 5: Solve for x
    x = 390,381,505,001.46/976,657.16
  6. Step 6: Final answer
    x = 399,711.92

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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.