Home / 1,156,311.53-1,595,690.58-640,054.36

Finding the Fourth Proportional to 1,156,311.53, 1,595,690.58 and 640,054.36

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Solution

The fourth proportional to 1,156,311.53, 1,595,690.58 and 640,054.36 is: 883,264.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,311.53 : 1,595,690.58 = 640,054.36 : x
  2. Step 2: Convert to fraction form
    1,156,311.53/1,595,690.58 = 640,054.36/x
  3. Step 3: Cross multiply
    1,156,311.53x = 1,595,690.58 × 640,054.36
  4. Step 4: Simplify right side
    1,156,311.53x = 1,021,328,712,939.93
  5. Step 5: Solve for x
    x = 1,021,328,712,939.93/1,156,311.53
  6. Step 6: Final answer
    x = 883,264.32

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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.