Home / 683,437.16-943,124.02-377,507.48

Finding the Fourth Proportional to 683,437.16, 943,124.02 and 377,507.48

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Solution

The fourth proportional to 683,437.16, 943,124.02 and 377,507.48 is: 520,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,437.16 : 943,124.02 = 377,507.48 : x
  2. Step 2: Convert to fraction form
    683,437.16/943,124.02 = 377,507.48/x
  3. Step 3: Cross multiply
    683,437.16x = 943,124.02 × 377,507.48
  4. Step 4: Simplify right side
    683,437.16x = 356,036,372,117.67
  5. Step 5: Solve for x
    x = 356,036,372,117.67/683,437.16
  6. Step 6: Final answer
    x = 520,949.68

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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.