Home / 839,788.65-1,158,902.51-477,184.05

Finding the Fourth Proportional to 839,788.65, 1,158,902.51 and 477,184.05

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Solution

The fourth proportional to 839,788.65, 1,158,902.51 and 477,184.05 is: 658,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,788.65 : 1,158,902.51 = 477,184.05 : x
  2. Step 2: Convert to fraction form
    839,788.65/1,158,902.51 = 477,184.05/x
  3. Step 3: Cross multiply
    839,788.65x = 1,158,902.51 × 477,184.05
  4. Step 4: Simplify right side
    839,788.65x = 553,009,790,891.05
  5. Step 5: Solve for x
    x = 553,009,790,891.05/839,788.65
  6. Step 6: Final answer
    x = 658,510.68

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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.