Home / 1,226,285.28-1,692,306-682,457.76

Finding the Fourth Proportional to 1,226,285.28, 1,692,306 and 682,457.76

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Solution

The fourth proportional to 1,226,285.28, 1,692,306 and 682,457.76 is: 941,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,285.28 : 1,692,306 = 682,457.76 : x
  2. Step 2: Convert to fraction form
    1,226,285.28/1,692,306 = 682,457.76/x
  3. Step 3: Cross multiply
    1,226,285.28x = 1,692,306 × 682,457.76
  4. Step 4: Simplify right side
    1,226,285.28x = 1,154,927,361,994.56
  5. Step 5: Solve for x
    x = 1,154,927,361,994.56/1,226,285.28
  6. Step 6: Final answer
    x = 941,809.69

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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.