Home / 1,115,928.80-1,539,963.60-606,644

Finding the Fourth Proportional to 1,115,928.80, 1,539,963.60 and 606,644

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Solution

The fourth proportional to 1,115,928.80, 1,539,963.60 and 606,644 is: 837,158.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,928.80 : 1,539,963.60 = 606,644 : x
  2. Step 2: Convert to fraction form
    1,115,928.80/1,539,963.60 = 606,644/x
  3. Step 3: Cross multiply
    1,115,928.80x = 1,539,963.60 × 606,644
  4. Step 4: Simplify right side
    1,115,928.80x = 934,209,678,158.40
  5. Step 5: Solve for x
    x = 934,209,678,158.40/1,115,928.80
  6. Step 6: Final answer
    x = 837,158.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.