Home / 1,336,553.60-2,004,907.20-390,070.40

Finding the Fourth Proportional to 1,336,553.60, 2,004,907.20 and 390,070.40

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Solution

The fourth proportional to 1,336,553.60, 2,004,907.20 and 390,070.40 is: 585,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,553.60 : 2,004,907.20 = 390,070.40 : x
  2. Step 2: Convert to fraction form
    1,336,553.60/2,004,907.20 = 390,070.40/x
  3. Step 3: Cross multiply
    1,336,553.60x = 2,004,907.20 × 390,070.40
  4. Step 4: Simplify right side
    1,336,553.60x = 782,054,953,466.88
  5. Step 5: Solve for x
    x = 782,054,953,466.88/1,336,553.60
  6. Step 6: Final answer
    x = 585,128.01

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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.