Home / 830,325.24-1,240,938.40-606,157.72

Finding the Fourth Proportional to 830,325.24, 1,240,938.40 and 606,157.72

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Solution

The fourth proportional to 830,325.24, 1,240,938.40 and 606,157.72 is: 905,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,325.24 : 1,240,938.40 = 606,157.72 : x
  2. Step 2: Convert to fraction form
    830,325.24/1,240,938.40 = 606,157.72/x
  3. Step 3: Cross multiply
    830,325.24x = 1,240,938.40 × 606,157.72
  4. Step 4: Simplify right side
    830,325.24x = 752,204,391,204.45
  5. Step 5: Solve for x
    x = 752,204,391,204.45/830,325.24
  6. Step 6: Final answer
    x = 905,915.36

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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.