Home / 849,615.03-1,172,499.98-467,657.91

Finding the Fourth Proportional to 849,615.03, 1,172,499.98 and 467,657.91

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Solution

The fourth proportional to 849,615.03, 1,172,499.98 and 467,657.91 is: 645,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,615.03 : 1,172,499.98 = 467,657.91 : x
  2. Step 2: Convert to fraction form
    849,615.03/1,172,499.98 = 467,657.91/x
  3. Step 3: Cross multiply
    849,615.03x = 1,172,499.98 × 467,657.91
  4. Step 4: Simplify right side
    849,615.03x = 548,328,887,783.55
  5. Step 5: Solve for x
    x = 548,328,887,783.55/849,615.03
  6. Step 6: Final answer
    x = 645,385.11

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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.