Home / 1,176,031.60-1,764,047.40-512,479.60

Finding the Fourth Proportional to 1,176,031.60, 1,764,047.40 and 512,479.60

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Solution

The fourth proportional to 1,176,031.60, 1,764,047.40 and 512,479.60 is: 768,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,031.60 : 1,764,047.40 = 512,479.60 : x
  2. Step 2: Convert to fraction form
    1,176,031.60/1,764,047.40 = 512,479.60/x
  3. Step 3: Cross multiply
    1,176,031.60x = 1,764,047.40 × 512,479.60
  4. Step 4: Simplify right side
    1,176,031.60x = 904,038,305,933.04
  5. Step 5: Solve for x
    x = 904,038,305,933.04/1,176,031.60
  6. Step 6: Final answer
    x = 768,719.40

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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.