Home / 1,243,016.02-1,864,518.70-344,455.17

Finding the Fourth Proportional to 1,243,016.02, 1,864,518.70 and 344,455.17

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Solution

The fourth proportional to 1,243,016.02, 1,864,518.70 and 344,455.17 is: 516,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,016.02 : 1,864,518.70 = 344,455.17 : x
  2. Step 2: Convert to fraction form
    1,243,016.02/1,864,518.70 = 344,455.17/x
  3. Step 3: Cross multiply
    1,243,016.02x = 1,864,518.70 × 344,455.17
  4. Step 4: Simplify right side
    1,243,016.02x = 642,243,105,776.68
  5. Step 5: Solve for x
    x = 642,243,105,776.68/1,243,016.02
  6. Step 6: Final answer
    x = 516,681.28

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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.