Home / 853,702.74-1,178,112.60-466,518.15

Finding the Fourth Proportional to 853,702.74, 1,178,112.60 and 466,518.15

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Solution

The fourth proportional to 853,702.74, 1,178,112.60 and 466,518.15 is: 643,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,702.74 : 1,178,112.60 = 466,518.15 : x
  2. Step 2: Convert to fraction form
    853,702.74/1,178,112.60 = 466,518.15/x
  3. Step 3: Cross multiply
    853,702.74x = 1,178,112.60 × 466,518.15
  4. Step 4: Simplify right side
    853,702.74x = 549,610,910,643.69
  5. Step 5: Solve for x
    x = 549,610,910,643.69/853,702.74
  6. Step 6: Final answer
    x = 643,796.59

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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.