Home / 1,038,852.32-1,430,418.49-885,546.86

Finding the Fourth Proportional to 1,038,852.32, 1,430,418.49 and 885,546.86

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Solution

The fourth proportional to 1,038,852.32, 1,430,418.49 and 885,546.86 is: 1,219,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,852.32 : 1,430,418.49 = 885,546.86 : x
  2. Step 2: Convert to fraction form
    1,038,852.32/1,430,418.49 = 885,546.86/x
  3. Step 3: Cross multiply
    1,038,852.32x = 1,430,418.49 × 885,546.86
  4. Step 4: Simplify right side
    1,038,852.32x = 1,266,702,592,939.48
  5. Step 5: Solve for x
    x = 1,266,702,592,939.48/1,038,852.32
  6. Step 6: Final answer
    x = 1,219,328.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.