Home / 1,056,074.20-1,584,111.30-346,125.40

Finding the Fourth Proportional to 1,056,074.20, 1,584,111.30 and 346,125.40

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Solution

The fourth proportional to 1,056,074.20, 1,584,111.30 and 346,125.40 is: 519,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,074.20 : 1,584,111.30 = 346,125.40 : x
  2. Step 2: Convert to fraction form
    1,056,074.20/1,584,111.30 = 346,125.40/x
  3. Step 3: Cross multiply
    1,056,074.20x = 1,584,111.30 × 346,125.40
  4. Step 4: Simplify right side
    1,056,074.20x = 548,301,157,357.02
  5. Step 5: Solve for x
    x = 548,301,157,357.02/1,056,074.20
  6. Step 6: Final answer
    x = 519,188.10

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Double scale
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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.