Home / 800,763.04-1,105,052.95-438,186.92

Finding the Fourth Proportional to 800,763.04, 1,105,052.95 and 438,186.92

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Solution

The fourth proportional to 800,763.04, 1,105,052.95 and 438,186.92 is: 604,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,763.04 : 1,105,052.95 = 438,186.92 : x
  2. Step 2: Convert to fraction form
    800,763.04/1,105,052.95 = 438,186.92/x
  3. Step 3: Cross multiply
    800,763.04x = 1,105,052.95 × 438,186.92
  4. Step 4: Simplify right side
    800,763.04x = 484,219,746,406.48
  5. Step 5: Solve for x
    x = 484,219,746,406.48/800,763.04
  6. Step 6: Final answer
    x = 604,697.93

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Double scale
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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.