Home / 910,530.63-1,365,804.45-404,954.55

Finding the Fourth Proportional to 910,530.63, 1,365,804.45 and 404,954.55

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Solution

The fourth proportional to 910,530.63, 1,365,804.45 and 404,954.55 is: 607,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,530.63 : 1,365,804.45 = 404,954.55 : x
  2. Step 2: Convert to fraction form
    910,530.63/1,365,804.45 = 404,954.55/x
  3. Step 3: Cross multiply
    910,530.63x = 1,365,804.45 × 404,954.55
  4. Step 4: Simplify right side
    910,530.63x = 553,088,726,437.75
  5. Step 5: Solve for x
    x = 553,088,726,437.75/910,530.63
  6. Step 6: Final answer
    x = 607,435.61

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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.