Home / 2,590,339.60-3,885,509.40-817,411.60

Finding the Fourth Proportional to 2,590,339.60, 3,885,509.40 and 817,411.60

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Solution

The fourth proportional to 2,590,339.60, 3,885,509.40 and 817,411.60 is: 1,226,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,339.60 : 3,885,509.40 = 817,411.60 : x
  2. Step 2: Convert to fraction form
    2,590,339.60/3,885,509.40 = 817,411.60/x
  3. Step 3: Cross multiply
    2,590,339.60x = 3,885,509.40 × 817,411.60
  4. Step 4: Simplify right side
    2,590,339.60x = 3,176,060,455,469.04
  5. Step 5: Solve for x
    x = 3,176,060,455,469.04/2,590,339.60
  6. Step 6: Final answer
    x = 1,226,117.40

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Double scale
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Similar ratio
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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.