Home / 865,888.80-1,194,152.76-543,629.04

Finding the Fourth Proportional to 865,888.80, 1,194,152.76 and 543,629.04

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Solution

The fourth proportional to 865,888.80, 1,194,152.76 and 543,629.04 is: 749,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,888.80 : 1,194,152.76 = 543,629.04 : x
  2. Step 2: Convert to fraction form
    865,888.80/1,194,152.76 = 543,629.04/x
  3. Step 3: Cross multiply
    865,888.80x = 1,194,152.76 × 543,629.04
  4. Step 4: Simplify right side
    865,888.80x = 649,176,118,532.15
  5. Step 5: Solve for x
    x = 649,176,118,532.15/865,888.80
  6. Step 6: Final answer
    x = 749,722.27

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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.