Home / 823,717.59-1,136,866.28-565,382.31

Finding the Fourth Proportional to 823,717.59, 1,136,866.28 and 565,382.31

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Solution

The fourth proportional to 823,717.59, 1,136,866.28 and 565,382.31 is: 780,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,717.59 : 1,136,866.28 = 565,382.31 : x
  2. Step 2: Convert to fraction form
    823,717.59/1,136,866.28 = 565,382.31/x
  3. Step 3: Cross multiply
    823,717.59x = 1,136,866.28 × 565,382.31
  4. Step 4: Simplify right side
    823,717.59x = 642,764,075,036.26
  5. Step 5: Solve for x
    x = 642,764,075,036.26/823,717.59
  6. Step 6: Final answer
    x = 780,320.93

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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.