Home / 1,412,569.53-2,118,325.77-513,748.98

Finding the Fourth Proportional to 1,412,569.53, 2,118,325.77 and 513,748.98

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Solution

The fourth proportional to 1,412,569.53, 2,118,325.77 and 513,748.98 is: 770,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,569.53 : 2,118,325.77 = 513,748.98 : x
  2. Step 2: Convert to fraction form
    1,412,569.53/2,118,325.77 = 513,748.98/x
  3. Step 3: Cross multiply
    1,412,569.53x = 2,118,325.77 × 513,748.98
  4. Step 4: Simplify right side
    1,412,569.53x = 1,088,287,703,645.21
  5. Step 5: Solve for x
    x = 1,088,287,703,645.21/1,412,569.53
  6. Step 6: Final answer
    x = 770,431.25

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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.