Home / 953,091.09-1,315,280.79-517,508.19

Finding the Fourth Proportional to 953,091.09, 1,315,280.79 and 517,508.19

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Solution

The fourth proportional to 953,091.09, 1,315,280.79 and 517,508.19 is: 714,169.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,091.09 : 1,315,280.79 = 517,508.19 : x
  2. Step 2: Convert to fraction form
    953,091.09/1,315,280.79 = 517,508.19/x
  3. Step 3: Cross multiply
    953,091.09x = 1,315,280.79 × 517,508.19
  4. Step 4: Simplify right side
    953,091.09x = 680,668,580,974.67
  5. Step 5: Solve for x
    x = 680,668,580,974.67/953,091.09
  6. Step 6: Final answer
    x = 714,169.49

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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.