Home / 776,666.88-1,071,732.06-432,476.82

Finding the Fourth Proportional to 776,666.88, 1,071,732.06 and 432,476.82

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Solution

The fourth proportional to 776,666.88, 1,071,732.06 and 432,476.82 is: 596,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,666.88 : 1,071,732.06 = 432,476.82 : x
  2. Step 2: Convert to fraction form
    776,666.88/1,071,732.06 = 432,476.82/x
  3. Step 3: Cross multiply
    776,666.88x = 1,071,732.06 × 432,476.82
  4. Step 4: Simplify right side
    776,666.88x = 463,499,273,200.85
  5. Step 5: Solve for x
    x = 463,499,273,200.85/776,666.88
  6. Step 6: Final answer
    x = 596,780.02

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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.