Home / 974,343.12-1,461,420.71-300,243.42

Finding the Fourth Proportional to 974,343.12, 1,461,420.71 and 300,243.42

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Solution

The fourth proportional to 974,343.12, 1,461,420.71 and 300,243.42 is: 450,336.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,343.12 : 1,461,420.71 = 300,243.42 : x
  2. Step 2: Convert to fraction form
    974,343.12/1,461,420.71 = 300,243.42/x
  3. Step 3: Cross multiply
    974,343.12x = 1,461,420.71 × 300,243.42
  4. Step 4: Simplify right side
    974,343.12x = 438,781,952,029.23
  5. Step 5: Solve for x
    x = 438,781,952,029.23/974,343.12
  6. Step 6: Final answer
    x = 450,336.17

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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.