Home / 975,007.44-1,462,331.88-442,400.40

Finding the Fourth Proportional to 975,007.44, 1,462,331.88 and 442,400.40

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Solution

The fourth proportional to 975,007.44, 1,462,331.88 and 442,400.40 is: 663,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,007.44 : 1,462,331.88 = 442,400.40 : x
  2. Step 2: Convert to fraction form
    975,007.44/1,462,331.88 = 442,400.40/x
  3. Step 3: Cross multiply
    975,007.44x = 1,462,331.88 × 442,400.40
  4. Step 4: Simplify right side
    975,007.44x = 646,936,208,644.75
  5. Step 5: Solve for x
    x = 646,936,208,644.75/975,007.44
  6. Step 6: Final answer
    x = 663,519.25

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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.