Home / 953,124.39-1,315,315.23-517,542.30

Finding the Fourth Proportional to 953,124.39, 1,315,315.23 and 517,542.30

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Solution

The fourth proportional to 953,124.39, 1,315,315.23 and 517,542.30 is: 714,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,124.39 : 1,315,315.23 = 517,542.30 : x
  2. Step 2: Convert to fraction form
    953,124.39/1,315,315.23 = 517,542.30/x
  3. Step 3: Cross multiply
    953,124.39x = 1,315,315.23 × 517,542.30
  4. Step 4: Simplify right side
    953,124.39x = 680,731,269,359.23
  5. Step 5: Solve for x
    x = 680,731,269,359.23/953,124.39
  6. Step 6: Final answer
    x = 714,210.31

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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.