Home / 623,824.80-935,122.80-308,330.40

Finding the Fourth Proportional to 623,824.80, 935,122.80 and 308,330.40

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Solution

The fourth proportional to 623,824.80, 935,122.80 and 308,330.40 is: 462,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,824.80 : 935,122.80 = 308,330.40 : x
  2. Step 2: Convert to fraction form
    623,824.80/935,122.80 = 308,330.40/x
  3. Step 3: Cross multiply
    623,824.80x = 935,122.80 × 308,330.40
  4. Step 4: Simplify right side
    623,824.80x = 288,326,786,973.12
  5. Step 5: Solve for x
    x = 288,326,786,973.12/623,824.80
  6. Step 6: Final answer
    x = 462,191.93

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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.