Home / 1,657,868.34-2,486,802.37-459,790.65

Finding the Fourth Proportional to 1,657,868.34, 2,486,802.37 and 459,790.65

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Solution

The fourth proportional to 1,657,868.34, 2,486,802.37 and 459,790.65 is: 689,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,868.34 : 2,486,802.37 = 459,790.65 : x
  2. Step 2: Convert to fraction form
    1,657,868.34/2,486,802.37 = 459,790.65/x
  3. Step 3: Cross multiply
    1,657,868.34x = 2,486,802.37 × 459,790.65
  4. Step 4: Simplify right side
    1,657,868.34x = 1,143,408,483,401.90
  5. Step 5: Solve for x
    x = 1,143,408,483,401.90/1,657,868.34
  6. Step 6: Final answer
    x = 689,685.94

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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.