Home / 935,905.80-1,404,117.90-620,977.80

Finding the Fourth Proportional to 935,905.80, 1,404,117.90 and 620,977.80

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Solution

The fourth proportional to 935,905.80, 1,404,117.90 and 620,977.80 is: 931,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,905.80 : 1,404,117.90 = 620,977.80 : x
  2. Step 2: Convert to fraction form
    935,905.80/1,404,117.90 = 620,977.80/x
  3. Step 3: Cross multiply
    935,905.80x = 1,404,117.90 × 620,977.80
  4. Step 4: Simplify right side
    935,905.80x = 871,926,044,482.62
  5. Step 5: Solve for x
    x = 871,926,044,482.62/935,905.80
  6. Step 6: Final answer
    x = 931,638.68

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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.