Home / 623,741.68-935,685.76-218,810.16

Finding the Fourth Proportional to 623,741.68, 935,685.76 and 218,810.16

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Solution

The fourth proportional to 623,741.68, 935,685.76 and 218,810.16 is: 328,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,741.68 : 935,685.76 = 218,810.16 : x
  2. Step 2: Convert to fraction form
    623,741.68/935,685.76 = 218,810.16/x
  3. Step 3: Cross multiply
    623,741.68x = 935,685.76 × 218,810.16
  4. Step 4: Simplify right side
    623,741.68x = 204,737,550,855.32
  5. Step 5: Solve for x
    x = 204,737,550,855.32/623,741.68
  6. Step 6: Final answer
    x = 328,240.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.