Home / 760,516.50-1,141,896.18-424,214.22

Finding the Fourth Proportional to 760,516.50, 1,141,896.18 and 424,214.22

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Solution

The fourth proportional to 760,516.50, 1,141,896.18 and 424,214.22 is: 636,946.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,516.50 : 1,141,896.18 = 424,214.22 : x
  2. Step 2: Convert to fraction form
    760,516.50/1,141,896.18 = 424,214.22/x
  3. Step 3: Cross multiply
    760,516.50x = 1,141,896.18 × 424,214.22
  4. Step 4: Simplify right side
    760,516.50x = 484,408,597,319.68
  5. Step 5: Solve for x
    x = 484,408,597,319.68/760,516.50
  6. Step 6: Final answer
    x = 636,946.86

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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.