Home / 940,907.40-1,411,362.20-257,800.04

Finding the Fourth Proportional to 940,907.40, 1,411,362.20 and 257,800.04

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Solution

The fourth proportional to 940,907.40, 1,411,362.20 and 257,800.04 is: 386,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,907.40 : 1,411,362.20 = 257,800.04 : x
  2. Step 2: Convert to fraction form
    940,907.40/1,411,362.20 = 257,800.04/x
  3. Step 3: Cross multiply
    940,907.40x = 1,411,362.20 × 257,800.04
  4. Step 4: Simplify right side
    940,907.40x = 363,849,225,202.18
  5. Step 5: Solve for x
    x = 363,849,225,202.18/940,907.40
  6. Step 6: Final answer
    x = 386,700.35

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Double scale
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Similar ratio
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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.