Home / 946,935.16-1,306,761.92-517,215.20

Finding the Fourth Proportional to 946,935.16, 1,306,761.92 and 517,215.20

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Solution

The fourth proportional to 946,935.16, 1,306,761.92 and 517,215.20 is: 713,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,935.16 : 1,306,761.92 = 517,215.20 : x
  2. Step 2: Convert to fraction form
    946,935.16/1,306,761.92 = 517,215.20/x
  3. Step 3: Cross multiply
    946,935.16x = 1,306,761.92 × 517,215.20
  4. Step 4: Simplify right side
    946,935.16x = 675,877,127,805.18
  5. Step 5: Solve for x
    x = 675,877,127,805.18/946,935.16
  6. Step 6: Final answer
    x = 713,752.28

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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.