Home / 698,918.46-1,046,840.96-577,600.44

Finding the Fourth Proportional to 698,918.46, 1,046,840.96 and 577,600.44

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Solution

The fourth proportional to 698,918.46, 1,046,840.96 and 577,600.44 is: 865,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,918.46 : 1,046,840.96 = 577,600.44 : x
  2. Step 2: Convert to fraction form
    698,918.46/1,046,840.96 = 577,600.44/x
  3. Step 3: Cross multiply
    698,918.46x = 1,046,840.96 × 577,600.44
  4. Step 4: Simplify right side
    698,918.46x = 604,655,799,106.02
  5. Step 5: Solve for x
    x = 604,655,799,106.02/698,918.46
  6. Step 6: Final answer
    x = 865,130.68

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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.