Home / 1,038,242.40-1,553,907.60-753,122.40

Finding the Fourth Proportional to 1,038,242.40, 1,553,907.60 and 753,122.40

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Solution

The fourth proportional to 1,038,242.40, 1,553,907.60 and 753,122.40 is: 1,127,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,242.40 : 1,553,907.60 = 753,122.40 : x
  2. Step 2: Convert to fraction form
    1,038,242.40/1,553,907.60 = 753,122.40/x
  3. Step 3: Cross multiply
    1,038,242.40x = 1,553,907.60 × 753,122.40
  4. Step 4: Simplify right side
    1,038,242.40x = 1,170,282,621,090.24
  5. Step 5: Solve for x
    x = 1,170,282,621,090.24/1,038,242.40
  6. Step 6: Final answer
    x = 1,127,176.68

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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.