Home / 1,038,640.40-1,557,085.80-540,004.40

Finding the Fourth Proportional to 1,038,640.40, 1,557,085.80 and 540,004.40

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Solution

The fourth proportional to 1,038,640.40, 1,557,085.80 and 540,004.40 is: 809,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,640.40 : 1,557,085.80 = 540,004.40 : x
  2. Step 2: Convert to fraction form
    1,038,640.40/1,557,085.80 = 540,004.40/x
  3. Step 3: Cross multiply
    1,038,640.40x = 1,557,085.80 × 540,004.40
  4. Step 4: Simplify right side
    1,038,640.40x = 840,833,183,177.52
  5. Step 5: Solve for x
    x = 840,833,183,177.52/1,038,640.40
  6. Step 6: Final answer
    x = 809,551.78

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1.5x scale

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.