Home / 467,928.64-645,741.93-253,068.70

Finding the Fourth Proportional to 467,928.64, 645,741.93 and 253,068.70

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Solution

The fourth proportional to 467,928.64, 645,741.93 and 253,068.70 is: 349,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,928.64 : 645,741.93 = 253,068.70 : x
  2. Step 2: Convert to fraction form
    467,928.64/645,741.93 = 253,068.70/x
  3. Step 3: Cross multiply
    467,928.64x = 645,741.93 × 253,068.70
  4. Step 4: Simplify right side
    467,928.64x = 163,417,070,760.59
  5. Step 5: Solve for x
    x = 163,417,070,760.59/467,928.64
  6. Step 6: Final answer
    x = 349,235.03

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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.