Home / 563,837.86-777,343.50-447,935.87

Finding the Fourth Proportional to 563,837.86, 777,343.50 and 447,935.87

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Solution

The fourth proportional to 563,837.86, 777,343.50 and 447,935.87 is: 617,553.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,837.86 : 777,343.50 = 447,935.87 : x
  2. Step 2: Convert to fraction form
    563,837.86/777,343.50 = 447,935.87/x
  3. Step 3: Cross multiply
    563,837.86x = 777,343.50 × 447,935.87
  4. Step 4: Simplify right side
    563,837.86x = 348,200,038,904.70
  5. Step 5: Solve for x
    x = 348,200,038,904.70/563,837.86
  6. Step 6: Final answer
    x = 617,553.49

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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.