Home / 623,470.64-935,128.20-249,496.88

Finding the Fourth Proportional to 623,470.64, 935,128.20 and 249,496.88

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Solution

The fourth proportional to 623,470.64, 935,128.20 and 249,496.88 is: 374,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,470.64 : 935,128.20 = 249,496.88 : x
  2. Step 2: Convert to fraction form
    623,470.64/935,128.20 = 249,496.88/x
  3. Step 3: Cross multiply
    623,470.64x = 935,128.20 × 249,496.88
  4. Step 4: Simplify right side
    623,470.64x = 233,311,568,300.02
  5. Step 5: Solve for x
    x = 233,311,568,300.02/623,470.64
  6. Step 6: Final answer
    x = 374,214.20

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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.