Home / 927,881.83-1,280,416.29-545,834.80

Finding the Fourth Proportional to 927,881.83, 1,280,416.29 and 545,834.80

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Solution

The fourth proportional to 927,881.83, 1,280,416.29 and 545,834.80 is: 753,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,881.83 : 1,280,416.29 = 545,834.80 : x
  2. Step 2: Convert to fraction form
    927,881.83/1,280,416.29 = 545,834.80/x
  3. Step 3: Cross multiply
    927,881.83x = 1,280,416.29 × 545,834.80
  4. Step 4: Simplify right side
    927,881.83x = 698,895,769,568.89
  5. Step 5: Solve for x
    x = 698,895,769,568.89/927,881.83
  6. Step 6: Final answer
    x = 753,216.35

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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.