Home / 617,943.20-926,914.80-448,669.40

Finding the Fourth Proportional to 617,943.20, 926,914.80 and 448,669.40

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Solution

The fourth proportional to 617,943.20, 926,914.80 and 448,669.40 is: 673,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,943.20 : 926,914.80 = 448,669.40 : x
  2. Step 2: Convert to fraction form
    617,943.20/926,914.80 = 448,669.40/x
  3. Step 3: Cross multiply
    617,943.20x = 926,914.80 × 448,669.40
  4. Step 4: Simplify right side
    617,943.20x = 415,878,307,167.12
  5. Step 5: Solve for x
    x = 415,878,307,167.12/617,943.20
  6. Step 6: Final answer
    x = 673,004.10

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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.