Home / 419,036.13-577,867.86-281,525.76

Finding the Fourth Proportional to 419,036.13, 577,867.86 and 281,525.76

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Solution

The fourth proportional to 419,036.13, 577,867.86 and 281,525.76 is: 388,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,036.13 : 577,867.86 = 281,525.76 : x
  2. Step 2: Convert to fraction form
    419,036.13/577,867.86 = 281,525.76/x
  3. Step 3: Cross multiply
    419,036.13x = 577,867.86 × 281,525.76
  4. Step 4: Simplify right side
    419,036.13x = 162,684,688,466.07
  5. Step 5: Solve for x
    x = 162,684,688,466.07/419,036.13
  6. Step 6: Final answer
    x = 388,235.47

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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.