Home / 907,226.88-1,359,285.12-640,510.08

Finding the Fourth Proportional to 907,226.88, 1,359,285.12 and 640,510.08

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Solution

The fourth proportional to 907,226.88, 1,359,285.12 and 640,510.08 is: 959,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,226.88 : 1,359,285.12 = 640,510.08 : x
  2. Step 2: Convert to fraction form
    907,226.88/1,359,285.12 = 640,510.08/x
  3. Step 3: Cross multiply
    907,226.88x = 1,359,285.12 × 640,510.08
  4. Step 4: Simplify right side
    907,226.88x = 870,635,820,954.01
  5. Step 5: Solve for x
    x = 870,635,820,954.01/907,226.88
  6. Step 6: Final answer
    x = 959,667.14

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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.