Home / 1,152,129.04-1,727,453.55-478,675.60

Finding the Fourth Proportional to 1,152,129.04, 1,727,453.55 and 478,675.60

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Solution

The fourth proportional to 1,152,129.04, 1,727,453.55 and 478,675.60 is: 717,705.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,129.04 : 1,727,453.55 = 478,675.60 : x
  2. Step 2: Convert to fraction form
    1,152,129.04/1,727,453.55 = 478,675.60/x
  3. Step 3: Cross multiply
    1,152,129.04x = 1,727,453.55 × 478,675.60
  4. Step 4: Simplify right side
    1,152,129.04x = 826,889,864,518.38
  5. Step 5: Solve for x
    x = 826,889,864,518.38/1,152,129.04
  6. Step 6: Final answer
    x = 717,705.95

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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.