Home / 1,223,228.45-1,688,076.12-671,967.39

Finding the Fourth Proportional to 1,223,228.45, 1,688,076.12 and 671,967.39

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Solution

The fourth proportional to 1,223,228.45, 1,688,076.12 and 671,967.39 is: 927,326.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,228.45 : 1,688,076.12 = 671,967.39 : x
  2. Step 2: Convert to fraction form
    1,223,228.45/1,688,076.12 = 671,967.39/x
  3. Step 3: Cross multiply
    1,223,228.45x = 1,688,076.12 × 671,967.39
  4. Step 4: Simplify right side
    1,223,228.45x = 1,134,332,104,477.73
  5. Step 5: Solve for x
    x = 1,134,332,104,477.73/1,223,228.45
  6. Step 6: Final answer
    x = 927,326.46

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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.