Home / 1,172,831.46-1,618,496.47-663,533.83

Finding the Fourth Proportional to 1,172,831.46, 1,618,496.47 and 663,533.83

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Solution

The fourth proportional to 1,172,831.46, 1,618,496.47 and 663,533.83 is: 915,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,831.46 : 1,618,496.47 = 663,533.83 : x
  2. Step 2: Convert to fraction form
    1,172,831.46/1,618,496.47 = 663,533.83/x
  3. Step 3: Cross multiply
    1,172,831.46x = 1,618,496.47 × 663,533.83
  4. Step 4: Simplify right side
    1,172,831.46x = 1,073,927,161,580.58
  5. Step 5: Solve for x
    x = 1,073,927,161,580.58/1,172,831.46
  6. Step 6: Final answer
    x = 915,670.49

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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.