Home / 684,071.72-944,029.86-382,285.16

Finding the Fourth Proportional to 684,071.72, 944,029.86 and 382,285.16

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Solution

The fourth proportional to 684,071.72, 944,029.86 and 382,285.16 is: 527,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,071.72 : 944,029.86 = 382,285.16 : x
  2. Step 2: Convert to fraction form
    684,071.72/944,029.86 = 382,285.16/x
  3. Step 3: Cross multiply
    684,071.72x = 944,029.86 × 382,285.16
  4. Step 4: Simplify right side
    684,071.72x = 360,888,606,074.88
  5. Step 5: Solve for x
    x = 360,888,606,074.88/684,071.72
  6. Step 6: Final answer
    x = 527,559.60

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Double scale
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Similar ratio
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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.