Home / 1,126,660.16-1,687,289.86-578,109.02

Finding the Fourth Proportional to 1,126,660.16, 1,687,289.86 and 578,109.02

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Solution

The fourth proportional to 1,126,660.16, 1,687,289.86 and 578,109.02 is: 865,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,660.16 : 1,687,289.86 = 578,109.02 : x
  2. Step 2: Convert to fraction form
    1,126,660.16/1,687,289.86 = 578,109.02/x
  3. Step 3: Cross multiply
    1,126,660.16x = 1,687,289.86 × 578,109.02
  4. Step 4: Simplify right side
    1,126,660.16x = 975,437,477,538.82
  5. Step 5: Solve for x
    x = 975,437,477,538.82/1,126,660.16
  6. Step 6: Final answer
    x = 865,777.91

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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.