Home / 1,012,455.61-1,397,331.41-620,222.63

Finding the Fourth Proportional to 1,012,455.61, 1,397,331.41 and 620,222.63

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Solution

The fourth proportional to 1,012,455.61, 1,397,331.41 and 620,222.63 is: 855,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,455.61 : 1,397,331.41 = 620,222.63 : x
  2. Step 2: Convert to fraction form
    1,012,455.61/1,397,331.41 = 620,222.63/x
  3. Step 3: Cross multiply
    1,012,455.61x = 1,397,331.41 × 620,222.63
  4. Step 4: Simplify right side
    1,012,455.61x = 866,656,552,004.04
  5. Step 5: Solve for x
    x = 866,656,552,004.04/1,012,455.61
  6. Step 6: Final answer
    x = 855,994.62

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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.