Home / 991,777.10-1,487,547.38-587,211.26

Finding the Fourth Proportional to 991,777.10, 1,487,547.38 and 587,211.26

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Solution

The fourth proportional to 991,777.10, 1,487,547.38 and 587,211.26 is: 880,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,777.10 : 1,487,547.38 = 587,211.26 : x
  2. Step 2: Convert to fraction form
    991,777.10/1,487,547.38 = 587,211.26/x
  3. Step 3: Cross multiply
    991,777.10x = 1,487,547.38 × 587,211.26
  4. Step 4: Simplify right side
    991,777.10x = 873,504,565,349.79
  5. Step 5: Solve for x
    x = 873,504,565,349.79/991,777.10
  6. Step 6: Final answer
    x = 880,746.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.