Home / 830,291.03-1,240,887.43-606,123.53

Finding the Fourth Proportional to 830,291.03, 1,240,887.43 and 606,123.53

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Solution

The fourth proportional to 830,291.03, 1,240,887.43 and 606,123.53 is: 905,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,291.03 : 1,240,887.43 = 606,123.53 : x
  2. Step 2: Convert to fraction form
    830,291.03/1,240,887.43 = 606,123.53/x
  3. Step 3: Cross multiply
    830,291.03x = 1,240,887.43 × 606,123.53
  4. Step 4: Simplify right side
    830,291.03x = 752,131,073,264.10
  5. Step 5: Solve for x
    x = 752,131,073,264.10/830,291.03
  6. Step 6: Final answer
    x = 905,864.38

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Double scale
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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.