Home / 705,411.17-973,474.44-383,127.56

Finding the Fourth Proportional to 705,411.17, 973,474.44 and 383,127.56

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Solution

The fourth proportional to 705,411.17, 973,474.44 and 383,127.56 is: 528,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,411.17 : 973,474.44 = 383,127.56 : x
  2. Step 2: Convert to fraction form
    705,411.17/973,474.44 = 383,127.56/x
  3. Step 3: Cross multiply
    705,411.17x = 973,474.44 × 383,127.56
  4. Step 4: Simplify right side
    705,411.17x = 372,964,886,919.57
  5. Step 5: Solve for x
    x = 372,964,886,919.57/705,411.17
  6. Step 6: Final answer
    x = 528,719.85

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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.