Home / 976,999.70-1,465,499.55-471,802.70

Finding the Fourth Proportional to 976,999.70, 1,465,499.55 and 471,802.70

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Solution

The fourth proportional to 976,999.70, 1,465,499.55 and 471,802.70 is: 707,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,999.70 : 1,465,499.55 = 471,802.70 : x
  2. Step 2: Convert to fraction form
    976,999.70/1,465,499.55 = 471,802.70/x
  3. Step 3: Cross multiply
    976,999.70x = 1,465,499.55 × 471,802.70
  4. Step 4: Simplify right side
    976,999.70x = 691,426,644,538.79
  5. Step 5: Solve for x
    x = 691,426,644,538.79/976,999.70
  6. Step 6: Final answer
    x = 707,704.05

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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.