Home / 970,403.64-1,339,166.17-534,836.62

Finding the Fourth Proportional to 970,403.64, 1,339,166.17 and 534,836.62

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Solution

The fourth proportional to 970,403.64, 1,339,166.17 and 534,836.62 is: 738,079.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,403.64 : 1,339,166.17 = 534,836.62 : x
  2. Step 2: Convert to fraction form
    970,403.64/1,339,166.17 = 534,836.62/x
  3. Step 3: Cross multiply
    970,403.64x = 1,339,166.17 × 534,836.62
  4. Step 4: Simplify right side
    970,403.64x = 716,235,107,315.19
  5. Step 5: Solve for x
    x = 716,235,107,315.19/970,403.64
  6. Step 6: Final answer
    x = 738,079.57

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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.