Home / 853,475.52-1,177,877.70-466,349.79

Finding the Fourth Proportional to 853,475.52, 1,177,877.70 and 466,349.79

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Solution

The fourth proportional to 853,475.52, 1,177,877.70 and 466,349.79 is: 643,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,475.52 : 1,177,877.70 = 466,349.79 : x
  2. Step 2: Convert to fraction form
    853,475.52/1,177,877.70 = 466,349.79/x
  3. Step 3: Cross multiply
    853,475.52x = 1,177,877.70 × 466,349.79
  4. Step 4: Simplify right side
    853,475.52x = 549,303,018,040.68
  5. Step 5: Solve for x
    x = 549,303,018,040.68/853,475.52
  6. Step 6: Final answer
    x = 643,607.23

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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.