Home / 1,158,888.48-1,738,581.86-390,462.55

Finding the Fourth Proportional to 1,158,888.48, 1,738,581.86 and 390,462.55

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Solution

The fourth proportional to 1,158,888.48, 1,738,581.86 and 390,462.55 is: 585,777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,888.48 : 1,738,581.86 = 390,462.55 : x
  2. Step 2: Convert to fraction form
    1,158,888.48/1,738,581.86 = 390,462.55/x
  3. Step 3: Cross multiply
    1,158,888.48x = 1,738,581.86 × 390,462.55
  4. Step 4: Simplify right side
    1,158,888.48x = 678,851,106,439.34
  5. Step 5: Solve for x
    x = 678,851,106,439.34/1,158,888.48
  6. Step 6: Final answer
    x = 585,777.77

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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.