Home / 1,038,132.20-1,557,587.10-407,498.60

Finding the Fourth Proportional to 1,038,132.20, 1,557,587.10 and 407,498.60

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Solution

The fourth proportional to 1,038,132.20, 1,557,587.10 and 407,498.60 is: 611,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,132.20 : 1,557,587.10 = 407,498.60 : x
  2. Step 2: Convert to fraction form
    1,038,132.20/1,557,587.10 = 407,498.60/x
  3. Step 3: Cross multiply
    1,038,132.20x = 1,557,587.10 × 407,498.60
  4. Step 4: Simplify right side
    1,038,132.20x = 634,714,562,628.06
  5. Step 5: Solve for x
    x = 634,714,562,628.06/1,038,132.20
  6. Step 6: Final answer
    x = 611,400.52

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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.