Home / 683,916.06-943,774.80-377,976.63

Finding the Fourth Proportional to 683,916.06, 943,774.80 and 377,976.63

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Solution

The fourth proportional to 683,916.06, 943,774.80 and 377,976.63 is: 521,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,916.06 : 943,774.80 = 377,976.63 : x
  2. Step 2: Convert to fraction form
    683,916.06/943,774.80 = 377,976.63/x
  3. Step 3: Cross multiply
    683,916.06x = 943,774.80 × 377,976.63
  4. Step 4: Simplify right side
    683,916.06x = 356,724,818,382.92
  5. Step 5: Solve for x
    x = 356,724,818,382.92/683,916.06
  6. Step 6: Final answer
    x = 521,591.52

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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.