Home / 830,291.34-1,240,887.90-606,123.84

Finding the Fourth Proportional to 830,291.34, 1,240,887.90 and 606,123.84

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Solution

The fourth proportional to 830,291.34, 1,240,887.90 and 606,123.84 is: 905,864.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,291.34 : 1,240,887.90 = 606,123.84 : x
  2. Step 2: Convert to fraction form
    830,291.34/1,240,887.90 = 606,123.84/x
  3. Step 3: Cross multiply
    830,291.34x = 1,240,887.90 × 606,123.84
  4. Step 4: Simplify right side
    830,291.34x = 752,131,735,926.92
  5. Step 5: Solve for x
    x = 752,131,735,926.92/830,291.34
  6. Step 6: Final answer
    x = 905,864.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.