Home / 1,185,697.60-1,778,776.80-344,276.80

Finding the Fourth Proportional to 1,185,697.60, 1,778,776.80 and 344,276.80

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Solution

The fourth proportional to 1,185,697.60, 1,778,776.80 and 344,276.80 is: 516,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,697.60 : 1,778,776.80 = 344,276.80 : x
  2. Step 2: Convert to fraction form
    1,185,697.60/1,778,776.80 = 344,276.80/x
  3. Step 3: Cross multiply
    1,185,697.60x = 1,778,776.80 × 344,276.80
  4. Step 4: Simplify right side
    1,185,697.60x = 612,391,584,618.24
  5. Step 5: Solve for x
    x = 612,391,584,618.24/1,185,697.60
  6. Step 6: Final answer
    x = 516,482.10

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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.