Home / 820,197.68-1,132,584.78-514,803.32

Finding the Fourth Proportional to 820,197.68, 1,132,584.78 and 514,803.32

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Solution

The fourth proportional to 820,197.68, 1,132,584.78 and 514,803.32 is: 710,875.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,197.68 : 1,132,584.78 = 514,803.32 : x
  2. Step 2: Convert to fraction form
    820,197.68/1,132,584.78 = 514,803.32/x
  3. Step 3: Cross multiply
    820,197.68x = 1,132,584.78 × 514,803.32
  4. Step 4: Simplify right side
    820,197.68x = 583,058,404,925.47
  5. Step 5: Solve for x
    x = 583,058,404,925.47/820,197.68
  6. Step 6: Final answer
    x = 710,875.46

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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.