Home / 887,068.72-1,224,155.34-479,170.56

Finding the Fourth Proportional to 887,068.72, 1,224,155.34 and 479,170.56

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Solution

The fourth proportional to 887,068.72, 1,224,155.34 and 479,170.56 is: 661,255.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,068.72 : 1,224,155.34 = 479,170.56 : x
  2. Step 2: Convert to fraction form
    887,068.72/1,224,155.34 = 479,170.56/x
  3. Step 3: Cross multiply
    887,068.72x = 1,224,155.34 × 479,170.56
  4. Step 4: Simplify right side
    887,068.72x = 586,579,199,794.79
  5. Step 5: Solve for x
    x = 586,579,199,794.79/887,068.72
  6. Step 6: Final answer
    x = 661,255.65

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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.