Home / 826,653.98-1,140,646.65-487,076.06

Finding the Fourth Proportional to 826,653.98, 1,140,646.65 and 487,076.06

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Solution

The fourth proportional to 826,653.98, 1,140,646.65 and 487,076.06 is: 672,084.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,653.98 : 1,140,646.65 = 487,076.06 : x
  2. Step 2: Convert to fraction form
    826,653.98/1,140,646.65 = 487,076.06/x
  3. Step 3: Cross multiply
    826,653.98x = 1,140,646.65 × 487,076.06
  4. Step 4: Simplify right side
    826,653.98x = 555,581,676,134.20
  5. Step 5: Solve for x
    x = 555,581,676,134.20/826,653.98
  6. Step 6: Final answer
    x = 672,084.92

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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.