Home / 1,242,285.60-1,714,314.42-698,444.40

Finding the Fourth Proportional to 1,242,285.60, 1,714,314.42 and 698,444.40

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Solution

The fourth proportional to 1,242,285.60, 1,714,314.42 and 698,444.40 is: 963,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,285.60 : 1,714,314.42 = 698,444.40 : x
  2. Step 2: Convert to fraction form
    1,242,285.60/1,714,314.42 = 698,444.40/x
  3. Step 3: Cross multiply
    1,242,285.60x = 1,714,314.42 × 698,444.40
  4. Step 4: Simplify right side
    1,242,285.60x = 1,197,353,306,488.25
  5. Step 5: Solve for x
    x = 1,197,353,306,488.25/1,242,285.60
  6. Step 6: Final answer
    x = 963,830.95

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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.