Home / 698,921.80-1,046,845.98-577,603.79

Finding the Fourth Proportional to 698,921.80, 1,046,845.98 and 577,603.79

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Solution

The fourth proportional to 698,921.80, 1,046,845.98 and 577,603.79 is: 865,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,921.80 : 1,046,845.98 = 577,603.79 : x
  2. Step 2: Convert to fraction form
    698,921.80/1,046,845.98 = 577,603.79/x
  3. Step 3: Cross multiply
    698,921.80x = 1,046,845.98 × 577,603.79
  4. Step 4: Simplify right side
    698,921.80x = 604,662,205,594.26
  5. Step 5: Solve for x
    x = 604,662,205,594.26/698,921.80
  6. Step 6: Final answer
    x = 865,135.71

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1.5x scale

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.