Home / 705,356.11-973,391.20-383,066.29

Finding the Fourth Proportional to 705,356.11, 973,391.20 and 383,066.29

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Solution

The fourth proportional to 705,356.11, 973,391.20 and 383,066.29 is: 528,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,356.11 : 973,391.20 = 383,066.29 : x
  2. Step 2: Convert to fraction form
    705,356.11/973,391.20 = 383,066.29/x
  3. Step 3: Cross multiply
    705,356.11x = 973,391.20 × 383,066.29
  4. Step 4: Simplify right side
    705,356.11x = 372,873,355,702.65
  5. Step 5: Solve for x
    x = 372,873,355,702.65/705,356.11
  6. Step 6: Final answer
    x = 528,631.35

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Double scale
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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.