Home / 561,345.03-774,436.23-346,111.41

Finding the Fourth Proportional to 561,345.03, 774,436.23 and 346,111.41

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Solution

The fourth proportional to 561,345.03, 774,436.23 and 346,111.41 is: 477,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,345.03 : 774,436.23 = 346,111.41 : x
  2. Step 2: Convert to fraction form
    561,345.03/774,436.23 = 346,111.41/x
  3. Step 3: Cross multiply
    561,345.03x = 774,436.23 × 346,111.41
  4. Step 4: Simplify right side
    561,345.03x = 268,041,215,520.38
  5. Step 5: Solve for x
    x = 268,041,215,520.38/561,345.03
  6. Step 6: Final answer
    x = 477,498.15

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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.