Home / 683,436.16-943,122.64-377,506.48

Finding the Fourth Proportional to 683,436.16, 943,122.64 and 377,506.48

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Solution

The fourth proportional to 683,436.16, 943,122.64 and 377,506.48 is: 520,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,436.16 : 943,122.64 = 377,506.48 : x
  2. Step 2: Convert to fraction form
    683,436.16/943,122.64 = 377,506.48/x
  3. Step 3: Cross multiply
    683,436.16x = 943,122.64 × 377,506.48
  4. Step 4: Simplify right side
    683,436.16x = 356,034,908,034.71
  5. Step 5: Solve for x
    x = 356,034,908,034.71/683,436.16
  6. Step 6: Final answer
    x = 520,948.30

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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.