Home / 859,411.31-1,185,462.14-510,315.08

Finding the Fourth Proportional to 859,411.31, 1,185,462.14 and 510,315.08

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Solution

The fourth proportional to 859,411.31, 1,185,462.14 and 510,315.08 is: 703,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,411.31 : 1,185,462.14 = 510,315.08 : x
  2. Step 2: Convert to fraction form
    859,411.31/1,185,462.14 = 510,315.08/x
  3. Step 3: Cross multiply
    859,411.31x = 1,185,462.14 × 510,315.08
  4. Step 4: Simplify right side
    859,411.31x = 604,959,198,332.19
  5. Step 5: Solve for x
    x = 604,959,198,332.19/859,411.31
  6. Step 6: Final answer
    x = 703,922.78

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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.