Home / 1,015,215.81-1,400,997.83-562,506.81

Finding the Fourth Proportional to 1,015,215.81, 1,400,997.83 and 562,506.81

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Solution

The fourth proportional to 1,015,215.81, 1,400,997.83 and 562,506.81 is: 776,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,215.81 : 1,400,997.83 = 562,506.81 : x
  2. Step 2: Convert to fraction form
    1,015,215.81/1,400,997.83 = 562,506.81/x
  3. Step 3: Cross multiply
    1,015,215.81x = 1,400,997.83 × 562,506.81
  4. Step 4: Simplify right side
    1,015,215.81x = 788,070,817,357.69
  5. Step 5: Solve for x
    x = 788,070,817,357.69/1,015,215.81
  6. Step 6: Final answer
    x = 776,259.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.