Home / 1,623,973.60-2,435,785.40-426,016

Finding the Fourth Proportional to 1,623,973.60, 2,435,785.40 and 426,016

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Solution

The fourth proportional to 1,623,973.60, 2,435,785.40 and 426,016 is: 638,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,973.60 : 2,435,785.40 = 426,016 : x
  2. Step 2: Convert to fraction form
    1,623,973.60/2,435,785.40 = 426,016/x
  3. Step 3: Cross multiply
    1,623,973.60x = 2,435,785.40 × 426,016
  4. Step 4: Simplify right side
    1,623,973.60x = 1,037,683,552,966.40
  5. Step 5: Solve for x
    x = 1,037,683,552,966.40/1,623,973.60
  6. Step 6: Final answer
    x = 638,978.09

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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.