Home / 705,255.12-973,138.32-433,235.52

Finding the Fourth Proportional to 705,255.12, 973,138.32 and 433,235.52

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Solution

The fourth proportional to 705,255.12, 973,138.32 and 433,235.52 is: 597,795.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,255.12 : 973,138.32 = 433,235.52 : x
  2. Step 2: Convert to fraction form
    705,255.12/973,138.32 = 433,235.52/x
  3. Step 3: Cross multiply
    705,255.12x = 973,138.32 × 433,235.52
  4. Step 4: Simplify right side
    705,255.12x = 421,598,086,097.13
  5. Step 5: Solve for x
    x = 421,598,086,097.13/705,255.12
  6. Step 6: Final answer
    x = 597,795.14

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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.