Home / 1,125,990.04-1,688,586.72-327,105.40

Finding the Fourth Proportional to 1,125,990.04, 1,688,586.72 and 327,105.40

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Solution

The fourth proportional to 1,125,990.04, 1,688,586.72 and 327,105.40 is: 490,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,990.04 : 1,688,586.72 = 327,105.40 : x
  2. Step 2: Convert to fraction form
    1,125,990.04/1,688,586.72 = 327,105.40/x
  3. Step 3: Cross multiply
    1,125,990.04x = 1,688,586.72 × 327,105.40
  4. Step 4: Simplify right side
    1,125,990.04x = 552,345,834,480.29
  5. Step 5: Solve for x
    x = 552,345,834,480.29/1,125,990.04
  6. Step 6: Final answer
    x = 490,542.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.