Home / 970,236.30-1,339,024.59-540,586.38

Finding the Fourth Proportional to 970,236.30, 1,339,024.59 and 540,586.38

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Solution

The fourth proportional to 970,236.30, 1,339,024.59 and 540,586.38 is: 746,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,236.30 : 1,339,024.59 = 540,586.38 : x
  2. Step 2: Convert to fraction form
    970,236.30/1,339,024.59 = 540,586.38/x
  3. Step 3: Cross multiply
    970,236.30x = 1,339,024.59 × 540,586.38
  4. Step 4: Simplify right side
    970,236.30x = 723,858,455,839.08
  5. Step 5: Solve for x
    x = 723,858,455,839.08/970,236.30
  6. Step 6: Final answer
    x = 746,064.08

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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.