Home / 1,126,795.56-1,554,990.12-617,487

Finding the Fourth Proportional to 1,126,795.56, 1,554,990.12 and 617,487

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Solution

The fourth proportional to 1,126,795.56, 1,554,990.12 and 617,487 is: 852,138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,795.56 : 1,554,990.12 = 617,487 : x
  2. Step 2: Convert to fraction form
    1,126,795.56/1,554,990.12 = 617,487/x
  3. Step 3: Cross multiply
    1,126,795.56x = 1,554,990.12 × 617,487
  4. Step 4: Simplify right side
    1,126,795.56x = 960,186,184,228.44
  5. Step 5: Solve for x
    x = 960,186,184,228.44/1,126,795.56
  6. Step 6: Final answer
    x = 852,138.77

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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.