Home / 1,038,741.40-1,557,237.30-540,105.40

Finding the Fourth Proportional to 1,038,741.40, 1,557,237.30 and 540,105.40

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Solution

The fourth proportional to 1,038,741.40, 1,557,237.30 and 540,105.40 is: 809,703.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,741.40 : 1,557,237.30 = 540,105.40 : x
  2. Step 2: Convert to fraction form
    1,038,741.40/1,557,237.30 = 540,105.40/x
  3. Step 3: Cross multiply
    1,038,741.40x = 1,557,237.30 × 540,105.40
  4. Step 4: Simplify right side
    1,038,741.40x = 841,072,274,811.42
  5. Step 5: Solve for x
    x = 841,072,274,811.42/1,038,741.40
  6. Step 6: Final answer
    x = 809,703.24

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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.