Home / 1,010,857.95-1,516,647.51-434,238.93

Finding the Fourth Proportional to 1,010,857.95, 1,516,647.51 and 434,238.93

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Solution

The fourth proportional to 1,010,857.95, 1,516,647.51 and 434,238.93 is: 651,513.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,857.95 : 1,516,647.51 = 434,238.93 : x
  2. Step 2: Convert to fraction form
    1,010,857.95/1,516,647.51 = 434,238.93/x
  3. Step 3: Cross multiply
    1,010,857.95x = 1,516,647.51 × 434,238.93
  4. Step 4: Simplify right side
    1,010,857.95x = 658,587,391,929.56
  5. Step 5: Solve for x
    x = 658,587,391,929.56/1,010,857.95
  6. Step 6: Final answer
    x = 651,513.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.