Home / 927,869.22-1,280,549.16-520,039.80

Finding the Fourth Proportional to 927,869.22, 1,280,549.16 and 520,039.80

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Solution

The fourth proportional to 927,869.22, 1,280,549.16 and 520,039.80 is: 717,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,869.22 : 1,280,549.16 = 520,039.80 : x
  2. Step 2: Convert to fraction form
    927,869.22/1,280,549.16 = 520,039.80/x
  3. Step 3: Cross multiply
    927,869.22x = 1,280,549.16 × 520,039.80
  4. Step 4: Simplify right side
    927,869.22x = 665,936,529,056.57
  5. Step 5: Solve for x
    x = 665,936,529,056.57/927,869.22
  6. Step 6: Final answer
    x = 717,705.16

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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.