Home / 966,653.46-1,334,353.77-644,245.92

Finding the Fourth Proportional to 966,653.46, 1,334,353.77 and 644,245.92

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Solution

The fourth proportional to 966,653.46, 1,334,353.77 and 644,245.92 is: 889,307.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,653.46 : 1,334,353.77 = 644,245.92 : x
  2. Step 2: Convert to fraction form
    966,653.46/1,334,353.77 = 644,245.92/x
  3. Step 3: Cross multiply
    966,653.46x = 1,334,353.77 × 644,245.92
  4. Step 4: Simplify right side
    966,653.46x = 859,651,972,159.12
  5. Step 5: Solve for x
    x = 859,651,972,159.12/966,653.46
  6. Step 6: Final answer
    x = 889,307.29

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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.