Home / 946,857.51-1,306,643.16-517,139.34

Finding the Fourth Proportional to 946,857.51, 1,306,643.16 and 517,139.34

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Solution

The fourth proportional to 946,857.51, 1,306,643.16 and 517,139.34 is: 713,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,857.51 : 1,306,643.16 = 517,139.34 : x
  2. Step 2: Convert to fraction form
    946,857.51/1,306,643.16 = 517,139.34/x
  3. Step 3: Cross multiply
    946,857.51x = 1,306,643.16 × 517,139.34
  4. Step 4: Simplify right side
    946,857.51x = 675,716,581,377.91
  5. Step 5: Solve for x
    x = 675,716,581,377.91/946,857.51
  6. Step 6: Final answer
    x = 713,641.25

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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.