Home / 909,881.36-1,255,592.45-496,393.52

Finding the Fourth Proportional to 909,881.36, 1,255,592.45 and 496,393.52

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Solution

The fourth proportional to 909,881.36, 1,255,592.45 and 496,393.52 is: 684,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,881.36 : 1,255,592.45 = 496,393.52 : x
  2. Step 2: Convert to fraction form
    909,881.36/1,255,592.45 = 496,393.52/x
  3. Step 3: Cross multiply
    909,881.36x = 1,255,592.45 × 496,393.52
  4. Step 4: Simplify right side
    909,881.36x = 623,267,947,180.99
  5. Step 5: Solve for x
    x = 623,267,947,180.99/909,881.36
  6. Step 6: Final answer
    x = 684,999.14

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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.