Home / 517,294.08-776,355.84-268,047.36

Finding the Fourth Proportional to 517,294.08, 776,355.84 and 268,047.36

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Solution

The fourth proportional to 517,294.08, 776,355.84 and 268,047.36 is: 402,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,294.08 : 776,355.84 = 268,047.36 : x
  2. Step 2: Convert to fraction form
    517,294.08/776,355.84 = 268,047.36/x
  3. Step 3: Cross multiply
    517,294.08x = 776,355.84 × 268,047.36
  4. Step 4: Simplify right side
    517,294.08x = 208,100,133,332.58
  5. Step 5: Solve for x
    x = 208,100,133,332.58/517,294.08
  6. Step 6: Final answer
    x = 402,285.94

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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.