Home / 859,699.42-1,186,397.53-472,550.69

Finding the Fourth Proportional to 859,699.42, 1,186,397.53 and 472,550.69

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Solution

The fourth proportional to 859,699.42, 1,186,397.53 and 472,550.69 is: 652,126.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,699.42 : 1,186,397.53 = 472,550.69 : x
  2. Step 2: Convert to fraction form
    859,699.42/1,186,397.53 = 472,550.69/x
  3. Step 3: Cross multiply
    859,699.42x = 1,186,397.53 × 472,550.69
  4. Step 4: Simplify right side
    859,699.42x = 560,632,973,200.41
  5. Step 5: Solve for x
    x = 560,632,973,200.41/859,699.42
  6. Step 6: Final answer
    x = 652,126.73

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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.