Home / 836,172.93-1,153,282.86-578,478.72

Finding the Fourth Proportional to 836,172.93, 1,153,282.86 and 578,478.72

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Solution

The fourth proportional to 836,172.93, 1,153,282.86 and 578,478.72 is: 797,860.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,172.93 : 1,153,282.86 = 578,478.72 : x
  2. Step 2: Convert to fraction form
    836,172.93/1,153,282.86 = 578,478.72/x
  3. Step 3: Cross multiply
    836,172.93x = 1,153,282.86 × 578,478.72
  4. Step 4: Simplify right side
    836,172.93x = 667,149,592,650.74
  5. Step 5: Solve for x
    x = 667,149,592,650.74/836,172.93
  6. Step 6: Final answer
    x = 797,860.79

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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.