Home / 849,476.16-1,172,507.38-500,920.98

Finding the Fourth Proportional to 849,476.16, 1,172,507.38 and 500,920.98

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Solution

The fourth proportional to 849,476.16, 1,172,507.38 and 500,920.98 is: 691,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,476.16 : 1,172,507.38 = 500,920.98 : x
  2. Step 2: Convert to fraction form
    849,476.16/1,172,507.38 = 500,920.98/x
  3. Step 3: Cross multiply
    849,476.16x = 1,172,507.38 × 500,920.98
  4. Step 4: Simplify right side
    849,476.16x = 587,333,545,846.83
  5. Step 5: Solve for x
    x = 587,333,545,846.83/849,476.16
  6. Step 6: Final answer
    x = 691,406.74

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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.