Home / 909,932.40-1,364,023.80-707,416.20

Finding the Fourth Proportional to 909,932.40, 1,364,023.80 and 707,416.20

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Solution

The fourth proportional to 909,932.40, 1,364,023.80 and 707,416.20 is: 1,060,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,932.40 : 1,364,023.80 = 707,416.20 : x
  2. Step 2: Convert to fraction form
    909,932.40/1,364,023.80 = 707,416.20/x
  3. Step 3: Cross multiply
    909,932.40x = 1,364,023.80 × 707,416.20
  4. Step 4: Simplify right side
    909,932.40x = 964,932,533,305.56
  5. Step 5: Solve for x
    x = 964,932,533,305.56/909,932.40
  6. Step 6: Final answer
    x = 1,060,444.20

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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.