Home / 1,243,017.19-1,864,520.47-344,456.35

Finding the Fourth Proportional to 1,243,017.19, 1,864,520.47 and 344,456.35

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Solution

The fourth proportional to 1,243,017.19, 1,864,520.47 and 344,456.35 is: 516,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,017.19 : 1,864,520.47 = 344,456.35 : x
  2. Step 2: Convert to fraction form
    1,243,017.19/1,864,520.47 = 344,456.35/x
  3. Step 3: Cross multiply
    1,243,017.19x = 1,864,520.47 × 344,456.35
  4. Step 4: Simplify right side
    1,243,017.19x = 642,245,913,874.20
  5. Step 5: Solve for x
    x = 642,245,913,874.20/1,243,017.19
  6. Step 6: Final answer
    x = 516,683.05

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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.