Home / 403,810.50-557,258.49-234,143.04

Finding the Fourth Proportional to 403,810.50, 557,258.49 and 234,143.04

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Solution

The fourth proportional to 403,810.50, 557,258.49 and 234,143.04 is: 323,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,810.50 : 557,258.49 = 234,143.04 : x
  2. Step 2: Convert to fraction form
    403,810.50/557,258.49 = 234,143.04/x
  3. Step 3: Cross multiply
    403,810.50x = 557,258.49 × 234,143.04
  4. Step 4: Simplify right side
    403,810.50x = 130,478,196,914.41
  5. Step 5: Solve for x
    x = 130,478,196,914.41/403,810.50
  6. Step 6: Final answer
    x = 323,117.40

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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.