Home / 776,551.56-1,071,463.86-436,895.88

Finding the Fourth Proportional to 776,551.56, 1,071,463.86 and 436,895.88

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Solution

The fourth proportional to 776,551.56, 1,071,463.86 and 436,895.88 is: 602,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,551.56 : 1,071,463.86 = 436,895.88 : x
  2. Step 2: Convert to fraction form
    776,551.56/1,071,463.86 = 436,895.88/x
  3. Step 3: Cross multiply
    776,551.56x = 1,071,463.86 × 436,895.88
  4. Step 4: Simplify right side
    776,551.56x = 468,118,146,002.90
  5. Step 5: Solve for x
    x = 468,118,146,002.90/776,551.56
  6. Step 6: Final answer
    x = 602,816.57

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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.