Home / 698,918.30-1,046,840.73-577,600.29

Finding the Fourth Proportional to 698,918.30, 1,046,840.73 and 577,600.29

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Solution

The fourth proportional to 698,918.30, 1,046,840.73 and 577,600.29 is: 865,130.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,918.30 : 1,046,840.73 = 577,600.29 : x
  2. Step 2: Convert to fraction form
    698,918.30/1,046,840.73 = 577,600.29/x
  3. Step 3: Cross multiply
    698,918.30x = 1,046,840.73 × 577,600.29
  4. Step 4: Simplify right side
    698,918.30x = 604,655,514,883.55
  5. Step 5: Solve for x
    x = 604,655,514,883.55/698,918.30
  6. Step 6: Final answer
    x = 865,130.47

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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.