Home / 975,121.84-1,345,707.80-539,532.10

Finding the Fourth Proportional to 975,121.84, 1,345,707.80 and 539,532.10

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Solution

The fourth proportional to 975,121.84, 1,345,707.80 and 539,532.10 is: 744,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,121.84 : 1,345,707.80 = 539,532.10 : x
  2. Step 2: Convert to fraction form
    975,121.84/1,345,707.80 = 539,532.10/x
  3. Step 3: Cross multiply
    975,121.84x = 1,345,707.80 × 539,532.10
  4. Step 4: Simplify right side
    975,121.84x = 726,052,555,320.38
  5. Step 5: Solve for x
    x = 726,052,555,320.38/975,121.84
  6. Step 6: Final answer
    x = 744,576.24

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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.