Home / 1,069,768.40-1,604,263.80-359,819.60

Finding the Fourth Proportional to 1,069,768.40, 1,604,263.80 and 359,819.60

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Solution

The fourth proportional to 1,069,768.40, 1,604,263.80 and 359,819.60 is: 539,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,768.40 : 1,604,263.80 = 359,819.60 : x
  2. Step 2: Convert to fraction form
    1,069,768.40/1,604,263.80 = 359,819.60/x
  3. Step 3: Cross multiply
    1,069,768.40x = 1,604,263.80 × 359,819.60
  4. Step 4: Simplify right side
    1,069,768.40x = 577,245,558,810.48
  5. Step 5: Solve for x
    x = 577,245,558,810.48/1,069,768.40
  6. Step 6: Final answer
    x = 539,598.63

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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.