Home / 705,362.61-973,400.18-383,072.79

Finding the Fourth Proportional to 705,362.61, 973,400.18 and 383,072.79

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Solution

The fourth proportional to 705,362.61, 973,400.18 and 383,072.79 is: 528,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,362.61 : 973,400.18 = 383,072.79 : x
  2. Step 2: Convert to fraction form
    705,362.61/973,400.18 = 383,072.79/x
  3. Step 3: Cross multiply
    705,362.61x = 973,400.18 × 383,072.79
  4. Step 4: Simplify right side
    705,362.61x = 372,883,120,823.74
  5. Step 5: Solve for x
    x = 372,883,120,823.74/705,362.61
  6. Step 6: Final answer
    x = 528,640.33

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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.