Home / 811,563.60-1,119,278.16-608,092.32

Finding the Fourth Proportional to 811,563.60, 1,119,278.16 and 608,092.32

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Solution

The fourth proportional to 811,563.60, 1,119,278.16 and 608,092.32 is: 838,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,563.60 : 1,119,278.16 = 608,092.32 : x
  2. Step 2: Convert to fraction form
    811,563.60/1,119,278.16 = 608,092.32/x
  3. Step 3: Cross multiply
    811,563.60x = 1,119,278.16 × 608,092.32
  4. Step 4: Simplify right side
    811,563.60x = 680,624,453,039.73
  5. Step 5: Solve for x
    x = 680,624,453,039.73/811,563.60
  6. Step 6: Final answer
    x = 838,658.18

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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.