Home / 1,156,656.63-1,596,236.04-640,410.53

Finding the Fourth Proportional to 1,156,656.63, 1,596,236.04 and 640,410.53

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Solution

The fourth proportional to 1,156,656.63, 1,596,236.04 and 640,410.53 is: 883,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,656.63 : 1,596,236.04 = 640,410.53 : x
  2. Step 2: Convert to fraction form
    1,156,656.63/1,596,236.04 = 640,410.53/x
  3. Step 3: Cross multiply
    1,156,656.63x = 1,596,236.04 × 640,410.53
  4. Step 4: Simplify right side
    1,156,656.63x = 1,022,246,360,400.32
  5. Step 5: Solve for x
    x = 1,022,246,360,400.32/1,156,656.63
  6. Step 6: Final answer
    x = 883,794.15

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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.