Home / 1,657,688.46-2,486,532.78-459,610.80

Finding the Fourth Proportional to 1,657,688.46, 2,486,532.78 and 459,610.80

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Solution

The fourth proportional to 1,657,688.46, 2,486,532.78 and 459,610.80 is: 689,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,688.46 : 2,486,532.78 = 459,610.80 : x
  2. Step 2: Convert to fraction form
    1,657,688.46/2,486,532.78 = 459,610.80/x
  3. Step 3: Cross multiply
    1,657,688.46x = 2,486,532.78 × 459,610.80
  4. Step 4: Simplify right side
    1,657,688.46x = 1,142,837,320,242.02
  5. Step 5: Solve for x
    x = 1,142,837,320,242.02/1,657,688.46
  6. Step 6: Final answer
    x = 689,416.22

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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.