Home / 672,030.55-1,008,045.83-618,376.15

Finding the Fourth Proportional to 672,030.55, 1,008,045.83 and 618,376.15

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Solution

The fourth proportional to 672,030.55, 1,008,045.83 and 618,376.15 is: 927,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,030.55 : 1,008,045.83 = 618,376.15 : x
  2. Step 2: Convert to fraction form
    672,030.55/1,008,045.83 = 618,376.15/x
  3. Step 3: Cross multiply
    672,030.55x = 1,008,045.83 × 618,376.15
  4. Step 4: Simplify right side
    672,030.55x = 623,351,499,378.96
  5. Step 5: Solve for x
    x = 623,351,499,378.96/672,030.55
  6. Step 6: Final answer
    x = 927,564.23

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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.