Home / 920,503.96-1,269,641.11-614,426.02

Finding the Fourth Proportional to 920,503.96, 1,269,641.11 and 614,426.02

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Solution

The fourth proportional to 920,503.96, 1,269,641.11 and 614,426.02 is: 847,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,503.96 : 1,269,641.11 = 614,426.02 : x
  2. Step 2: Convert to fraction form
    920,503.96/1,269,641.11 = 614,426.02/x
  3. Step 3: Cross multiply
    920,503.96x = 1,269,641.11 × 614,426.02
  4. Step 4: Simplify right side
    920,503.96x = 780,100,534,045.68
  5. Step 5: Solve for x
    x = 780,100,534,045.68/920,503.96
  6. Step 6: Final answer
    x = 847,471.13

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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.