Home / 1,041,036.90-1,561,555.35-621,132.90

Finding the Fourth Proportional to 1,041,036.90, 1,561,555.35 and 621,132.90

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Solution

The fourth proportional to 1,041,036.90, 1,561,555.35 and 621,132.90 is: 931,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,036.90 : 1,561,555.35 = 621,132.90 : x
  2. Step 2: Convert to fraction form
    1,041,036.90/1,561,555.35 = 621,132.90/x
  3. Step 3: Cross multiply
    1,041,036.90x = 1,561,555.35 × 621,132.90
  4. Step 4: Simplify right side
    1,041,036.90x = 969,933,403,056.02
  5. Step 5: Solve for x
    x = 969,933,403,056.02/1,041,036.90
  6. Step 6: Final answer
    x = 931,699.35

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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.