Home / 1,341,920.40-2,012,191.08-395,168.10

Finding the Fourth Proportional to 1,341,920.40, 2,012,191.08 and 395,168.10

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Solution

The fourth proportional to 1,341,920.40, 2,012,191.08 and 395,168.10 is: 592,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,920.40 : 2,012,191.08 = 395,168.10 : x
  2. Step 2: Convert to fraction form
    1,341,920.40/2,012,191.08 = 395,168.10/x
  3. Step 3: Cross multiply
    1,341,920.40x = 2,012,191.08 × 395,168.10
  4. Step 4: Simplify right side
    1,341,920.40x = 795,153,725,920.55
  5. Step 5: Solve for x
    x = 795,153,725,920.55/1,341,920.40
  6. Step 6: Final answer
    x = 592,549.10

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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.