Home / 1,663,407.70-2,495,111.55-1,208,730.40

Finding the Fourth Proportional to 1,663,407.70, 2,495,111.55 and 1,208,730.40

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Solution

The fourth proportional to 1,663,407.70, 2,495,111.55 and 1,208,730.40 is: 1,813,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,407.70 : 2,495,111.55 = 1,208,730.40 : x
  2. Step 2: Convert to fraction form
    1,663,407.70/2,495,111.55 = 1,208,730.40/x
  3. Step 3: Cross multiply
    1,663,407.70x = 2,495,111.55 × 1,208,730.40
  4. Step 4: Simplify right side
    1,663,407.70x = 3,015,917,181,876.12
  5. Step 5: Solve for x
    x = 3,015,917,181,876.12/1,663,407.70
  6. Step 6: Final answer
    x = 1,813,095.60

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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.