Home / 708,681.22-977,185.56-579,217.89

Finding the Fourth Proportional to 708,681.22, 977,185.56 and 579,217.89

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Solution

The fourth proportional to 708,681.22, 977,185.56 and 579,217.89 is: 798,671.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,681.22 : 977,185.56 = 579,217.89 : x
  2. Step 2: Convert to fraction form
    708,681.22/977,185.56 = 579,217.89/x
  3. Step 3: Cross multiply
    708,681.22x = 977,185.56 × 579,217.89
  4. Step 4: Simplify right side
    708,681.22x = 566,003,358,201.67
  5. Step 5: Solve for x
    x = 566,003,358,201.67/708,681.22
  6. Step 6: Final answer
    x = 798,671.31

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Double scale
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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.