Home / 1,172,831.30-1,618,496.25-663,533.67

Finding the Fourth Proportional to 1,172,831.30, 1,618,496.25 and 663,533.67

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Solution

The fourth proportional to 1,172,831.30, 1,618,496.25 and 663,533.67 is: 915,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,831.30 : 1,618,496.25 = 663,533.67 : x
  2. Step 2: Convert to fraction form
    1,172,831.30/1,618,496.25 = 663,533.67/x
  3. Step 3: Cross multiply
    1,172,831.30x = 1,618,496.25 × 663,533.67
  4. Step 4: Simplify right side
    1,172,831.30x = 1,073,926,756,643.74
  5. Step 5: Solve for x
    x = 1,073,926,756,643.74/1,172,831.30
  6. Step 6: Final answer
    x = 915,670.28

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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.