Home / 739,729.06-1,020,923.13-549,286.18

Finding the Fourth Proportional to 739,729.06, 1,020,923.13 and 549,286.18

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Solution

The fourth proportional to 739,729.06, 1,020,923.13 and 549,286.18 is: 758,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,729.06 : 1,020,923.13 = 549,286.18 : x
  2. Step 2: Convert to fraction form
    739,729.06/1,020,923.13 = 549,286.18/x
  3. Step 3: Cross multiply
    739,729.06x = 1,020,923.13 × 549,286.18
  4. Step 4: Simplify right side
    739,729.06x = 560,778,966,151.34
  5. Step 5: Solve for x
    x = 560,778,966,151.34/739,729.06
  6. Step 6: Final answer
    x = 758,086.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.