Home / 980,341.74-1,353,332.39-654,197.51

Finding the Fourth Proportional to 980,341.74, 1,353,332.39 and 654,197.51

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Solution

The fourth proportional to 980,341.74, 1,353,332.39 and 654,197.51 is: 903,100.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,341.74 : 1,353,332.39 = 654,197.51 : x
  2. Step 2: Convert to fraction form
    980,341.74/1,353,332.39 = 654,197.51/x
  3. Step 3: Cross multiply
    980,341.74x = 1,353,332.39 × 654,197.51
  4. Step 4: Simplify right side
    980,341.74x = 885,346,679,852.69
  5. Step 5: Solve for x
    x = 885,346,679,852.69/980,341.74
  6. Step 6: Final answer
    x = 903,100.06

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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.