Home / 856,785.80-1,182,411.47-474,804.38

Finding the Fourth Proportional to 856,785.80, 1,182,411.47 and 474,804.38

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Solution

The fourth proportional to 856,785.80, 1,182,411.47 and 474,804.38 is: 655,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,785.80 : 1,182,411.47 = 474,804.38 : x
  2. Step 2: Convert to fraction form
    856,785.80/1,182,411.47 = 474,804.38/x
  3. Step 3: Cross multiply
    856,785.80x = 1,182,411.47 × 474,804.38
  4. Step 4: Simplify right side
    856,785.80x = 561,414,144,918.24
  5. Step 5: Solve for x
    x = 561,414,144,918.24/856,785.80
  6. Step 6: Final answer
    x = 655,256.13

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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.