Home / 935,780.40-1,403,670.60-927,907.20

Finding the Fourth Proportional to 935,780.40, 1,403,670.60 and 927,907.20

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Solution

The fourth proportional to 935,780.40, 1,403,670.60 and 927,907.20 is: 1,391,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,780.40 : 1,403,670.60 = 927,907.20 : x
  2. Step 2: Convert to fraction form
    935,780.40/1,403,670.60 = 927,907.20/x
  3. Step 3: Cross multiply
    935,780.40x = 1,403,670.60 × 927,907.20
  4. Step 4: Simplify right side
    935,780.40x = 1,302,476,056,168.32
  5. Step 5: Solve for x
    x = 1,302,476,056,168.32/935,780.40
  6. Step 6: Final answer
    x = 1,391,860.80

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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.