Home / 1,225,602.19-1,837,812.78-426,866.05

Finding the Fourth Proportional to 1,225,602.19, 1,837,812.78 and 426,866.05

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Solution

The fourth proportional to 1,225,602.19, 1,837,812.78 and 426,866.05 is: 640,093.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,602.19 : 1,837,812.78 = 426,866.05 : x
  2. Step 2: Convert to fraction form
    1,225,602.19/1,837,812.78 = 426,866.05/x
  3. Step 3: Cross multiply
    1,225,602.19x = 1,837,812.78 × 426,866.05
  4. Step 4: Simplify right side
    1,225,602.19x = 784,499,882,038.12
  5. Step 5: Solve for x
    x = 784,499,882,038.12/1,225,602.19
  6. Step 6: Final answer
    x = 640,093.41

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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.