Home / 1,038,078.60-1,557,555.30-565,103.40

Finding the Fourth Proportional to 1,038,078.60, 1,557,555.30 and 565,103.40

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Solution

The fourth proportional to 1,038,078.60, 1,557,555.30 and 565,103.40 is: 847,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,078.60 : 1,557,555.30 = 565,103.40 : x
  2. Step 2: Convert to fraction form
    1,038,078.60/1,557,555.30 = 565,103.40/x
  3. Step 3: Cross multiply
    1,038,078.60x = 1,557,555.30 × 565,103.40
  4. Step 4: Simplify right side
    1,038,078.60x = 880,179,795,718.02
  5. Step 5: Solve for x
    x = 880,179,795,718.02/1,038,078.60
  6. Step 6: Final answer
    x = 847,893.21

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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.