Home / 935,371.80-1,403,316.90-620,443.80

Finding the Fourth Proportional to 935,371.80, 1,403,316.90 and 620,443.80

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Solution

The fourth proportional to 935,371.80, 1,403,316.90 and 620,443.80 is: 930,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,371.80 : 1,403,316.90 = 620,443.80 : x
  2. Step 2: Convert to fraction form
    935,371.80/1,403,316.90 = 620,443.80/x
  3. Step 3: Cross multiply
    935,371.80x = 1,403,316.90 × 620,443.80
  4. Step 4: Simplify right side
    935,371.80x = 870,679,270,040.22
  5. Step 5: Solve for x
    x = 870,679,270,040.22/935,371.80
  6. Step 6: Final answer
    x = 930,837.63

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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.