Home / 649,285.20-973,927.80-529,710.98

Finding the Fourth Proportional to 649,285.20, 973,927.80 and 529,710.98

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Solution

The fourth proportional to 649,285.20, 973,927.80 and 529,710.98 is: 794,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,285.20 : 973,927.80 = 529,710.98 : x
  2. Step 2: Convert to fraction form
    649,285.20/973,927.80 = 529,710.98/x
  3. Step 3: Cross multiply
    649,285.20x = 973,927.80 × 529,710.98
  4. Step 4: Simplify right side
    649,285.20x = 515,900,244,517.61
  5. Step 5: Solve for x
    x = 515,900,244,517.61/649,285.20
  6. Step 6: Final answer
    x = 794,566.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.