Home / 889,927.52-1,227,761-657,911.56

Finding the Fourth Proportional to 889,927.52, 1,227,761 and 657,911.56

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Solution

The fourth proportional to 889,927.52, 1,227,761 and 657,911.56 is: 907,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,927.52 : 1,227,761 = 657,911.56 : x
  2. Step 2: Convert to fraction form
    889,927.52/1,227,761 = 657,911.56/x
  3. Step 3: Cross multiply
    889,927.52x = 1,227,761 × 657,911.56
  4. Step 4: Simplify right side
    889,927.52x = 807,758,154,817.16
  5. Step 5: Solve for x
    x = 807,758,154,817.16/889,927.52
  6. Step 6: Final answer
    x = 907,667.35

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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.