Home / 853,403.42-1,177,686.60-466,216.94

Finding the Fourth Proportional to 853,403.42, 1,177,686.60 and 466,216.94

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Solution

The fourth proportional to 853,403.42, 1,177,686.60 and 466,216.94 is: 643,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,403.42 : 1,177,686.60 = 466,216.94 : x
  2. Step 2: Convert to fraction form
    853,403.42/1,177,686.60 = 466,216.94/x
  3. Step 3: Cross multiply
    853,403.42x = 1,177,686.60 × 466,216.94
  4. Step 4: Simplify right side
    853,403.42x = 549,057,442,931.00
  5. Step 5: Solve for x
    x = 549,057,442,931.00/853,403.42
  6. Step 6: Final answer
    x = 643,373.85

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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.