Home / 810,151.50-1,118,009.08-452,455.50

Finding the Fourth Proportional to 810,151.50, 1,118,009.08 and 452,455.50

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Solution

The fourth proportional to 810,151.50, 1,118,009.08 and 452,455.50 is: 624,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,151.50 : 1,118,009.08 = 452,455.50 : x
  2. Step 2: Convert to fraction form
    810,151.50/1,118,009.08 = 452,455.50/x
  3. Step 3: Cross multiply
    810,151.50x = 1,118,009.08 × 452,455.50
  4. Step 4: Simplify right side
    810,151.50x = 505,849,357,295.94
  5. Step 5: Solve for x
    x = 505,849,357,295.94/810,151.50
  6. Step 6: Final answer
    x = 624,388.60

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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.