Home / 1,124,215.64-1,551,924.20-716,865

Finding the Fourth Proportional to 1,124,215.64, 1,551,924.20 and 716,865

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Solution

The fourth proportional to 1,124,215.64, 1,551,924.20 and 716,865 is: 989,596.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,215.64 : 1,551,924.20 = 716,865 : x
  2. Step 2: Convert to fraction form
    1,124,215.64/1,551,924.20 = 716,865/x
  3. Step 3: Cross multiply
    1,124,215.64x = 1,551,924.20 × 716,865
  4. Step 4: Simplify right side
    1,124,215.64x = 1,112,520,141,633
  5. Step 5: Solve for x
    x = 1,112,520,141,633/1,124,215.64
  6. Step 6: Final answer
    x = 989,596.75

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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.