Home / 1,126,405.58-1,554,445.24-617,108.18

Finding the Fourth Proportional to 1,126,405.58, 1,554,445.24 and 617,108.18

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Solution

The fourth proportional to 1,126,405.58, 1,554,445.24 and 617,108.18 is: 851,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,405.58 : 1,554,445.24 = 617,108.18 : x
  2. Step 2: Convert to fraction form
    1,126,405.58/1,554,445.24 = 617,108.18/x
  3. Step 3: Cross multiply
    1,126,405.58x = 1,554,445.24 × 617,108.18
  4. Step 4: Simplify right side
    1,126,405.58x = 959,260,872,966.06
  5. Step 5: Solve for x
    x = 959,260,872,966.06/1,126,405.58
  6. Step 6: Final answer
    x = 851,612.32

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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.