Home / 1,394,688.60-2,092,032.90-1,217,541.60

Finding the Fourth Proportional to 1,394,688.60, 2,092,032.90 and 1,217,541.60

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Solution

The fourth proportional to 1,394,688.60, 2,092,032.90 and 1,217,541.60 is: 1,826,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,688.60 : 2,092,032.90 = 1,217,541.60 : x
  2. Step 2: Convert to fraction form
    1,394,688.60/2,092,032.90 = 1,217,541.60/x
  3. Step 3: Cross multiply
    1,394,688.60x = 2,092,032.90 × 1,217,541.60
  4. Step 4: Simplify right side
    1,394,688.60x = 2,547,137,084,318.64
  5. Step 5: Solve for x
    x = 2,547,137,084,318.64/1,394,688.60
  6. Step 6: Final answer
    x = 1,826,312.40

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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.