Home / 964,797.30-1,331,501.94-535,215.78

Finding the Fourth Proportional to 964,797.30, 1,331,501.94 and 535,215.78

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Solution

The fourth proportional to 964,797.30, 1,331,501.94 and 535,215.78 is: 738,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,797.30 : 1,331,501.94 = 535,215.78 : x
  2. Step 2: Convert to fraction form
    964,797.30/1,331,501.94 = 535,215.78/x
  3. Step 3: Cross multiply
    964,797.30x = 1,331,501.94 × 535,215.78
  4. Step 4: Simplify right side
    964,797.30x = 712,640,849,388.61
  5. Step 5: Solve for x
    x = 712,640,849,388.61/964,797.30
  6. Step 6: Final answer
    x = 738,643.08

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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.