Home / 853,733.72-1,178,227.11-471,834.32

Finding the Fourth Proportional to 853,733.72, 1,178,227.11 and 471,834.32

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Solution

The fourth proportional to 853,733.72, 1,178,227.11 and 471,834.32 is: 651,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,733.72 : 1,178,227.11 = 471,834.32 : x
  2. Step 2: Convert to fraction form
    853,733.72/1,178,227.11 = 471,834.32/x
  3. Step 3: Cross multiply
    853,733.72x = 1,178,227.11 × 471,834.32
  4. Step 4: Simplify right side
    853,733.72x = 555,927,983,130.66
  5. Step 5: Solve for x
    x = 555,927,983,130.66/853,733.72
  6. Step 6: Final answer
    x = 651,172.57

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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.