Home / 1,011,081-1,395,280.14-581,362.80

Finding the Fourth Proportional to 1,011,081, 1,395,280.14 and 581,362.80

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Solution

The fourth proportional to 1,011,081, 1,395,280.14 and 581,362.80 is: 802,273.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,081 : 1,395,280.14 = 581,362.80 : x
  2. Step 2: Convert to fraction form
    1,011,081/1,395,280.14 = 581,362.80/x
  3. Step 3: Cross multiply
    1,011,081x = 1,395,280.14 × 581,362.80
  4. Step 4: Simplify right side
    1,011,081x = 811,163,968,974.79
  5. Step 5: Solve for x
    x = 811,163,968,974.79/1,011,081
  6. Step 6: Final answer
    x = 802,273.97

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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.