Home / 497,541.40-746,312.10-198,003.40

Finding the Fourth Proportional to 497,541.40, 746,312.10 and 198,003.40

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Solution

The fourth proportional to 497,541.40, 746,312.10 and 198,003.40 is: 297,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,541.40 : 746,312.10 = 198,003.40 : x
  2. Step 2: Convert to fraction form
    497,541.40/746,312.10 = 198,003.40/x
  3. Step 3: Cross multiply
    497,541.40x = 746,312.10 × 198,003.40
  4. Step 4: Simplify right side
    497,541.40x = 147,772,333,261.14
  5. Step 5: Solve for x
    x = 147,772,333,261.14/497,541.40
  6. Step 6: Final answer
    x = 297,005.10

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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.