Home / 545,426.08-752,710.19-303,693.32

Finding the Fourth Proportional to 545,426.08, 752,710.19 and 303,693.32

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Solution

The fourth proportional to 545,426.08, 752,710.19 and 303,693.32 is: 419,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,426.08 : 752,710.19 = 303,693.32 : x
  2. Step 2: Convert to fraction form
    545,426.08/752,710.19 = 303,693.32/x
  3. Step 3: Cross multiply
    545,426.08x = 752,710.19 × 303,693.32
  4. Step 4: Simplify right side
    545,426.08x = 228,593,056,962.24
  5. Step 5: Solve for x
    x = 228,593,056,962.24/545,426.08
  6. Step 6: Final answer
    x = 419,109.14

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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.