Home / 951,686.70-1,312,639.47-808,219.50

Finding the Fourth Proportional to 951,686.70, 1,312,639.47 and 808,219.50

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Solution

The fourth proportional to 951,686.70, 1,312,639.47 and 808,219.50 is: 1,114,758.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,686.70 : 1,312,639.47 = 808,219.50 : x
  2. Step 2: Convert to fraction form
    951,686.70/1,312,639.47 = 808,219.50/x
  3. Step 3: Cross multiply
    951,686.70x = 1,312,639.47 × 808,219.50
  4. Step 4: Simplify right side
    951,686.70x = 1,060,900,816,123.66
  5. Step 5: Solve for x
    x = 1,060,900,816,123.66/951,686.70
  6. Step 6: Final answer
    x = 1,114,758.48

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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.