Home / 1,242,518.40-1,863,570-344,050.96

Finding the Fourth Proportional to 1,242,518.40, 1,863,570 and 344,050.96

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Solution

The fourth proportional to 1,242,518.40, 1,863,570 and 344,050.96 is: 516,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,518.40 : 1,863,570 = 344,050.96 : x
  2. Step 2: Convert to fraction form
    1,242,518.40/1,863,570 = 344,050.96/x
  3. Step 3: Cross multiply
    1,242,518.40x = 1,863,570 × 344,050.96
  4. Step 4: Simplify right side
    1,242,518.40x = 641,163,047,527.20
  5. Step 5: Solve for x
    x = 641,163,047,527.20/1,242,518.40
  6. Step 6: Final answer
    x = 516,018.96

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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.