Home / 603,719.28-833,136.60-377,497.20

Finding the Fourth Proportional to 603,719.28, 833,136.60 and 377,497.20

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Solution

The fourth proportional to 603,719.28, 833,136.60 and 377,497.20 is: 520,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,719.28 : 833,136.60 = 377,497.20 : x
  2. Step 2: Convert to fraction form
    603,719.28/833,136.60 = 377,497.20/x
  3. Step 3: Cross multiply
    603,719.28x = 833,136.60 × 377,497.20
  4. Step 4: Simplify right side
    603,719.28x = 314,506,733,717.52
  5. Step 5: Solve for x
    x = 314,506,733,717.52/603,719.28
  6. Step 6: Final answer
    x = 520,948.63

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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.