Home / 540,723.52-810,583.26-256,547.62

Finding the Fourth Proportional to 540,723.52, 810,583.26 and 256,547.62

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Solution

The fourth proportional to 540,723.52, 810,583.26 and 256,547.62 is: 384,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,723.52 : 810,583.26 = 256,547.62 : x
  2. Step 2: Convert to fraction form
    540,723.52/810,583.26 = 256,547.62/x
  3. Step 3: Cross multiply
    540,723.52x = 810,583.26 × 256,547.62
  4. Step 4: Simplify right side
    540,723.52x = 207,953,206,164.84
  5. Step 5: Solve for x
    x = 207,953,206,164.84/540,723.52
  6. Step 6: Final answer
    x = 384,583.25

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.