Home / 389,258.04-537,227.64-228,176.40

Finding the Fourth Proportional to 389,258.04, 537,227.64 and 228,176.40

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Solution

The fourth proportional to 389,258.04, 537,227.64 and 228,176.40 is: 314,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,258.04 : 537,227.64 = 228,176.40 : x
  2. Step 2: Convert to fraction form
    389,258.04/537,227.64 = 228,176.40/x
  3. Step 3: Cross multiply
    389,258.04x = 537,227.64 × 228,176.40
  4. Step 4: Simplify right side
    389,258.04x = 122,582,668,875.70
  5. Step 5: Solve for x
    x = 122,582,668,875.70/389,258.04
  6. Step 6: Final answer
    x = 314,913.65

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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.