Home / 705,436.16-973,504.69-383,151.64

Finding the Fourth Proportional to 705,436.16, 973,504.69 and 383,151.64

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Solution

The fourth proportional to 705,436.16, 973,504.69 and 383,151.64 is: 528,750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,436.16 : 973,504.69 = 383,151.64 : x
  2. Step 2: Convert to fraction form
    705,436.16/973,504.69 = 383,151.64/x
  3. Step 3: Cross multiply
    705,436.16x = 973,504.69 × 383,151.64
  4. Step 4: Simplify right side
    705,436.16x = 372,999,915,129.55
  5. Step 5: Solve for x
    x = 372,999,915,129.55/705,436.16
  6. Step 6: Final answer
    x = 528,750.77

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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.