Home / 705,275.60-973,282.32-382,991.12

Finding the Fourth Proportional to 705,275.60, 973,282.32 and 382,991.12

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Solution

The fourth proportional to 705,275.60, 973,282.32 and 382,991.12 is: 528,528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,275.60 : 973,282.32 = 382,991.12 : x
  2. Step 2: Convert to fraction form
    705,275.60/973,282.32 = 382,991.12/x
  3. Step 3: Cross multiply
    705,275.60x = 973,282.32 × 382,991.12
  4. Step 4: Simplify right side
    705,275.60x = 372,758,485,813.00
  5. Step 5: Solve for x
    x = 372,758,485,813.00/705,275.60
  6. Step 6: Final answer
    x = 528,528.83

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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.