Home / 826,617.16-1,140,595.86-487,039.24

Finding the Fourth Proportional to 826,617.16, 1,140,595.86 and 487,039.24

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Solution

The fourth proportional to 826,617.16, 1,140,595.86 and 487,039.24 is: 672,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,617.16 : 1,140,595.86 = 487,039.24 : x
  2. Step 2: Convert to fraction form
    826,617.16/1,140,595.86 = 487,039.24/x
  3. Step 3: Cross multiply
    826,617.16x = 1,140,595.86 × 487,039.24
  4. Step 4: Simplify right side
    826,617.16x = 555,514,940,801.55
  5. Step 5: Solve for x
    x = 555,514,940,801.55/826,617.16
  6. Step 6: Final answer
    x = 672,034.13

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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.