Home / 1,152,421.40-1,728,632.10-1,093,372.40

Finding the Fourth Proportional to 1,152,421.40, 1,728,632.10 and 1,093,372.40

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Solution

The fourth proportional to 1,152,421.40, 1,728,632.10 and 1,093,372.40 is: 1,640,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,421.40 : 1,728,632.10 = 1,093,372.40 : x
  2. Step 2: Convert to fraction form
    1,152,421.40/1,728,632.10 = 1,093,372.40/x
  3. Step 3: Cross multiply
    1,152,421.40x = 1,728,632.10 × 1,093,372.40
  4. Step 4: Simplify right side
    1,152,421.40x = 1,890,038,627,894.04
  5. Step 5: Solve for x
    x = 1,890,038,627,894.04/1,152,421.40
  6. Step 6: Final answer
    x = 1,640,058.60

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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.