Home / 1,152,845.04-1,729,272.64-478,925.80

Finding the Fourth Proportional to 1,152,845.04, 1,729,272.64 and 478,925.80

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Solution

The fourth proportional to 1,152,845.04, 1,729,272.64 and 478,925.80 is: 718,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,845.04 : 1,729,272.64 = 478,925.80 : x
  2. Step 2: Convert to fraction form
    1,152,845.04/1,729,272.64 = 478,925.80/x
  3. Step 3: Cross multiply
    1,152,845.04x = 1,729,272.64 × 478,925.80
  4. Step 4: Simplify right side
    1,152,845.04x = 828,193,282,530.11
  5. Step 5: Solve for x
    x = 828,193,282,530.11/1,152,845.04
  6. Step 6: Final answer
    x = 718,390.81

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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.