Home / 467,928.95-645,742.38-253,069.01

Finding the Fourth Proportional to 467,928.95, 645,742.38 and 253,069.01

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Solution

The fourth proportional to 467,928.95, 645,742.38 and 253,069.01 is: 349,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,928.95 : 645,742.38 = 253,069.01 : x
  2. Step 2: Convert to fraction form
    467,928.95/645,742.38 = 253,069.01/x
  3. Step 3: Cross multiply
    467,928.95x = 645,742.38 × 253,069.01
  4. Step 4: Simplify right side
    467,928.95x = 163,417,381,592.93
  5. Step 5: Solve for x
    x = 163,417,381,592.93/467,928.95
  6. Step 6: Final answer
    x = 349,235.46

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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.