Home / 943,231.80-1,301,652.06-513,511.04

Finding the Fourth Proportional to 943,231.80, 1,301,652.06 and 513,511.04

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Solution

The fourth proportional to 943,231.80, 1,301,652.06 and 513,511.04 is: 708,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,231.80 : 1,301,652.06 = 513,511.04 : x
  2. Step 2: Convert to fraction form
    943,231.80/1,301,652.06 = 513,511.04/x
  3. Step 3: Cross multiply
    943,231.80x = 1,301,652.06 × 513,511.04
  4. Step 4: Simplify right side
    943,231.80x = 668,412,703,048.74
  5. Step 5: Solve for x
    x = 668,412,703,048.74/943,231.80
  6. Step 6: Final answer
    x = 708,640.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.