Home / 901,400.45-1,244,001.71-514,224.41

Finding the Fourth Proportional to 901,400.45, 1,244,001.71 and 514,224.41

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Solution

The fourth proportional to 901,400.45, 1,244,001.71 and 514,224.41 is: 709,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,400.45 : 1,244,001.71 = 514,224.41 : x
  2. Step 2: Convert to fraction form
    901,400.45/1,244,001.71 = 514,224.41/x
  3. Step 3: Cross multiply
    901,400.45x = 1,244,001.71 × 514,224.41
  4. Step 4: Simplify right side
    901,400.45x = 639,696,047,006.77
  5. Step 5: Solve for x
    x = 639,696,047,006.77/901,400.45
  6. Step 6: Final answer
    x = 709,669.10

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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.