Home / 935,783.40-1,403,675.10-462,370.80

Finding the Fourth Proportional to 935,783.40, 1,403,675.10 and 462,370.80

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Solution

The fourth proportional to 935,783.40, 1,403,675.10 and 462,370.80 is: 693,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,783.40 : 1,403,675.10 = 462,370.80 : x
  2. Step 2: Convert to fraction form
    935,783.40/1,403,675.10 = 462,370.80/x
  3. Step 3: Cross multiply
    935,783.40x = 1,403,675.10 × 462,370.80
  4. Step 4: Simplify right side
    935,783.40x = 649,018,378,927.08
  5. Step 5: Solve for x
    x = 649,018,378,927.08/935,783.40
  6. Step 6: Final answer
    x = 693,556.20

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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.