Home / 966,780.90-1,334,159.10-537,049.98

Finding the Fourth Proportional to 966,780.90, 1,334,159.10 and 537,049.98

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Solution

The fourth proportional to 966,780.90, 1,334,159.10 and 537,049.98 is: 741,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,780.90 : 1,334,159.10 = 537,049.98 : x
  2. Step 2: Convert to fraction form
    966,780.90/1,334,159.10 = 537,049.98/x
  3. Step 3: Cross multiply
    966,780.90x = 1,334,159.10 × 537,049.98
  4. Step 4: Simplify right side
    966,780.90x = 716,510,117,971.82
  5. Step 5: Solve for x
    x = 716,510,117,971.82/966,780.90
  6. Step 6: Final answer
    x = 741,129.78

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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.