Home / 1,230,376.66-1,697,924.48-686,535.37

Finding the Fourth Proportional to 1,230,376.66, 1,697,924.48 and 686,535.37

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Solution

The fourth proportional to 1,230,376.66, 1,697,924.48 and 686,535.37 is: 947,421.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,376.66 : 1,697,924.48 = 686,535.37 : x
  2. Step 2: Convert to fraction form
    1,230,376.66/1,697,924.48 = 686,535.37/x
  3. Step 3: Cross multiply
    1,230,376.66x = 1,697,924.48 × 686,535.37
  4. Step 4: Simplify right side
    1,230,376.66x = 1,165,685,211,108.86
  5. Step 5: Solve for x
    x = 1,165,685,211,108.86/1,230,376.66
  6. Step 6: Final answer
    x = 947,421.43

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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.