Home / 953,351.68-1,315,636.14-523,641.88

Finding the Fourth Proportional to 953,351.68, 1,315,636.14 and 523,641.88

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Solution

The fourth proportional to 953,351.68, 1,315,636.14 and 523,641.88 is: 722,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,351.68 : 1,315,636.14 = 523,641.88 : x
  2. Step 2: Convert to fraction form
    953,351.68/1,315,636.14 = 523,641.88/x
  3. Step 3: Cross multiply
    953,351.68x = 1,315,636.14 × 523,641.88
  4. Step 4: Simplify right side
    953,351.68x = 688,922,181,745.54
  5. Step 5: Solve for x
    x = 688,922,181,745.54/953,351.68
  6. Step 6: Final answer
    x = 722,631.74

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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.