Home / 839,931.66-1,159,063.83-477,307.62

Finding the Fourth Proportional to 839,931.66, 1,159,063.83 and 477,307.62

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Solution

The fourth proportional to 839,931.66, 1,159,063.83 and 477,307.62 is: 658,660.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,931.66 : 1,159,063.83 = 477,307.62 : x
  2. Step 2: Convert to fraction form
    839,931.66/1,159,063.83 = 477,307.62/x
  3. Step 3: Cross multiply
    839,931.66x = 1,159,063.83 × 477,307.62
  4. Step 4: Simplify right side
    839,931.66x = 553,229,998,125.39
  5. Step 5: Solve for x
    x = 553,229,998,125.39/839,931.66
  6. Step 6: Final answer
    x = 658,660.73

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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.