Home / 1,259,208.60-1,888,640.10-417,672.60

Finding the Fourth Proportional to 1,259,208.60, 1,888,640.10 and 417,672.60

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Solution

The fourth proportional to 1,259,208.60, 1,888,640.10 and 417,672.60 is: 626,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,208.60 : 1,888,640.10 = 417,672.60 : x
  2. Step 2: Convert to fraction form
    1,259,208.60/1,888,640.10 = 417,672.60/x
  3. Step 3: Cross multiply
    1,259,208.60x = 1,888,640.10 × 417,672.60
  4. Step 4: Simplify right side
    1,259,208.60x = 788,833,221,031.26
  5. Step 5: Solve for x
    x = 788,833,221,031.26/1,259,208.60
  6. Step 6: Final answer
    x = 626,451.58

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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.