Home / 443,461.36-611,975.64-242,258.80

Finding the Fourth Proportional to 443,461.36, 611,975.64 and 242,258.80

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Solution

The fourth proportional to 443,461.36, 611,975.64 and 242,258.80 is: 334,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,461.36 : 611,975.64 = 242,258.80 : x
  2. Step 2: Convert to fraction form
    443,461.36/611,975.64 = 242,258.80/x
  3. Step 3: Cross multiply
    443,461.36x = 611,975.64 × 242,258.80
  4. Step 4: Simplify right side
    443,461.36x = 148,256,484,175.63
  5. Step 5: Solve for x
    x = 148,256,484,175.63/443,461.36
  6. Step 6: Final answer
    x = 334,316.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.