Home / 545,796.02-747,743.30-525,341.90

Finding the Fourth Proportional to 545,796.02, 747,743.30 and 525,341.90

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Solution

The fourth proportional to 545,796.02, 747,743.30 and 525,341.90 is: 719,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,796.02 : 747,743.30 = 525,341.90 : x
  2. Step 2: Convert to fraction form
    545,796.02/747,743.30 = 525,341.90/x
  3. Step 3: Cross multiply
    545,796.02x = 747,743.30 × 525,341.90
  4. Step 4: Simplify right side
    545,796.02x = 392,820,887,146.95
  5. Step 5: Solve for x
    x = 392,820,887,146.95/545,796.02
  6. Step 6: Final answer
    x = 719,721.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.