Home / 1,223,618.36-1,835,690.18-513,237.02

Finding the Fourth Proportional to 1,223,618.36, 1,835,690.18 and 513,237.02

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Solution

The fourth proportional to 1,223,618.36, 1,835,690.18 and 513,237.02 is: 769,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,618.36 : 1,835,690.18 = 513,237.02 : x
  2. Step 2: Convert to fraction form
    1,223,618.36/1,835,690.18 = 513,237.02/x
  3. Step 3: Cross multiply
    1,223,618.36x = 1,835,690.18 × 513,237.02
  4. Step 4: Simplify right side
    1,223,618.36x = 942,144,145,881.83
  5. Step 5: Solve for x
    x = 942,144,145,881.83/1,223,618.36
  6. Step 6: Final answer
    x = 769,965.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.