Home / 1,213,858.79-1,674,875.04-697,512.92

Finding the Fourth Proportional to 1,213,858.79, 1,674,875.04 and 697,512.92

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Solution

The fourth proportional to 1,213,858.79, 1,674,875.04 and 697,512.92 is: 962,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,858.79 : 1,674,875.04 = 697,512.92 : x
  2. Step 2: Convert to fraction form
    1,213,858.79/1,674,875.04 = 697,512.92/x
  3. Step 3: Cross multiply
    1,213,858.79x = 1,674,875.04 × 697,512.92
  4. Step 4: Simplify right side
    1,213,858.79x = 1,168,246,984,101.91
  5. Step 5: Solve for x
    x = 1,168,246,984,101.91/1,213,858.79
  6. Step 6: Final answer
    x = 962,424.13

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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.