Home / 839,124.61-1,157,688.20-548,901.83

Finding the Fourth Proportional to 839,124.61, 1,157,688.20 and 548,901.83

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Solution

The fourth proportional to 839,124.61, 1,157,688.20 and 548,901.83 is: 757,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,124.61 : 1,157,688.20 = 548,901.83 : x
  2. Step 2: Convert to fraction form
    839,124.61/1,157,688.20 = 548,901.83/x
  3. Step 3: Cross multiply
    839,124.61x = 1,157,688.20 × 548,901.83
  4. Step 4: Simplify right side
    839,124.61x = 635,457,175,815.88
  5. Step 5: Solve for x
    x = 635,457,175,815.88/839,124.61
  6. Step 6: Final answer
    x = 757,285.83

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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.