Home / 756,136.48-1,134,360.24-519,590.56

Finding the Fourth Proportional to 756,136.48, 1,134,360.24 and 519,590.56

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Solution

The fourth proportional to 756,136.48, 1,134,360.24 and 519,590.56 is: 779,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,136.48 : 1,134,360.24 = 519,590.56 : x
  2. Step 2: Convert to fraction form
    756,136.48/1,134,360.24 = 519,590.56/x
  3. Step 3: Cross multiply
    756,136.48x = 1,134,360.24 × 519,590.56
  4. Step 4: Simplify right side
    756,136.48x = 589,402,872,343.33
  5. Step 5: Solve for x
    x = 589,402,872,343.33/756,136.48
  6. Step 6: Final answer
    x = 779,492.71

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Double scale
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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.