Home / 860,256.32-1,289,428.32-649,209.92

Finding the Fourth Proportional to 860,256.32, 1,289,428.32 and 649,209.92

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Solution

The fourth proportional to 860,256.32, 1,289,428.32 and 649,209.92 is: 973,093.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,256.32 : 1,289,428.32 = 649,209.92 : x
  2. Step 2: Convert to fraction form
    860,256.32/1,289,428.32 = 649,209.92/x
  3. Step 3: Cross multiply
    860,256.32x = 1,289,428.32 × 649,209.92
  4. Step 4: Simplify right side
    860,256.32x = 837,109,656,472.94
  5. Step 5: Solve for x
    x = 837,109,656,472.94/860,256.32
  6. Step 6: Final answer
    x = 973,093.29

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1.5x scale

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.