Home / 1,154,653.56-1,593,477.45-638,397.90

Finding the Fourth Proportional to 1,154,653.56, 1,593,477.45 and 638,397.90

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Solution

The fourth proportional to 1,154,653.56, 1,593,477.45 and 638,397.90 is: 881,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,653.56 : 1,593,477.45 = 638,397.90 : x
  2. Step 2: Convert to fraction form
    1,154,653.56/1,593,477.45 = 638,397.90/x
  3. Step 3: Cross multiply
    1,154,653.56x = 1,593,477.45 × 638,397.90
  4. Step 4: Simplify right side
    1,154,653.56x = 1,017,272,657,777.36
  5. Step 5: Solve for x
    x = 1,017,272,657,777.36/1,154,653.56
  6. Step 6: Final answer
    x = 881,019.81

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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.