Home / 776,631.34-1,163,264.39-376,434.95

Finding the Fourth Proportional to 776,631.34, 1,163,264.39 and 376,434.95

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Solution

The fourth proportional to 776,631.34, 1,163,264.39 and 376,434.95 is: 563,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,631.34 : 1,163,264.39 = 376,434.95 : x
  2. Step 2: Convert to fraction form
    776,631.34/1,163,264.39 = 376,434.95/x
  3. Step 3: Cross multiply
    776,631.34x = 1,163,264.39 × 376,434.95
  4. Step 4: Simplify right side
    776,631.34x = 437,893,366,199.57
  5. Step 5: Solve for x
    x = 437,893,366,199.57/776,631.34
  6. Step 6: Final answer
    x = 563,836.85

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1.5x scale

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.