Home / 545,722.28-747,643.16-525,268.23

Finding the Fourth Proportional to 545,722.28, 747,643.16 and 525,268.23

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Solution

The fourth proportional to 545,722.28, 747,643.16 and 525,268.23 is: 719,620.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,722.28 : 747,643.16 = 525,268.23 : x
  2. Step 2: Convert to fraction form
    545,722.28/747,643.16 = 525,268.23/x
  3. Step 3: Cross multiply
    545,722.28x = 747,643.16 × 525,268.23
  4. Step 4: Simplify right side
    545,722.28x = 392,713,194,829.36
  5. Step 5: Solve for x
    x = 392,713,194,829.36/545,722.28
  6. Step 6: Final answer
    x = 719,620.97

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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.