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Finding the Fourth Proportional to 973,524.38, 1,342,590.95 and 810,720

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Solution

The fourth proportional to 973,524.38, 1,342,590.95 and 810,720 is: 1,118,066.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,524.38 : 1,342,590.95 = 810,720 : x
  2. Step 2: Convert to fraction form
    973,524.38/1,342,590.95 = 810,720/x
  3. Step 3: Cross multiply
    973,524.38x = 1,342,590.95 × 810,720
  4. Step 4: Simplify right side
    973,524.38x = 1,088,465,337,010.80
  5. Step 5: Solve for x
    x = 1,088,465,337,010.80/973,524.38
  6. Step 6: Final answer
    x = 1,118,066.86

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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.