Home / 756,606.28-1,044,123.94-417,086.76

Finding the Fourth Proportional to 756,606.28, 1,044,123.94 and 417,086.76

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Solution

The fourth proportional to 756,606.28, 1,044,123.94 and 417,086.76 is: 575,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,606.28 : 1,044,123.94 = 417,086.76 : x
  2. Step 2: Convert to fraction form
    756,606.28/1,044,123.94 = 417,086.76/x
  3. Step 3: Cross multiply
    756,606.28x = 1,044,123.94 × 417,086.76
  4. Step 4: Simplify right side
    756,606.28x = 435,490,271,173.03
  5. Step 5: Solve for x
    x = 435,490,271,173.03/756,606.28
  6. Step 6: Final answer
    x = 575,583.74

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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.