Home / 650,422.98-896,987.37-558,511.05

Finding the Fourth Proportional to 650,422.98, 896,987.37 and 558,511.05

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Solution

The fourth proportional to 650,422.98, 896,987.37 and 558,511.05 is: 770,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,422.98 : 896,987.37 = 558,511.05 : x
  2. Step 2: Convert to fraction form
    650,422.98/896,987.37 = 558,511.05/x
  3. Step 3: Cross multiply
    650,422.98x = 896,987.37 × 558,511.05
  4. Step 4: Simplify right side
    650,422.98x = 500,977,357,855.44
  5. Step 5: Solve for x
    x = 500,977,357,855.44/650,422.98
  6. Step 6: Final answer
    x = 770,233.18

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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.