Home / 698,827.20-1,045,648.80-512,203.20

Finding the Fourth Proportional to 698,827.20, 1,045,648.80 and 512,203.20

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Solution

The fourth proportional to 698,827.20, 1,045,648.80 and 512,203.20 is: 766,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,827.20 : 1,045,648.80 = 512,203.20 : x
  2. Step 2: Convert to fraction form
    698,827.20/1,045,648.80 = 512,203.20/x
  3. Step 3: Cross multiply
    698,827.20x = 1,045,648.80 × 512,203.20
  4. Step 4: Simplify right side
    698,827.20x = 535,584,661,436.16
  5. Step 5: Solve for x
    x = 535,584,661,436.16/698,827.20
  6. Step 6: Final answer
    x = 766,405.00

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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.