Home / 841,865.35-1,161,775.23-479,289.20

Finding the Fourth Proportional to 841,865.35, 1,161,775.23 and 479,289.20

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Solution

The fourth proportional to 841,865.35, 1,161,775.23 and 479,289.20 is: 661,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,865.35 : 1,161,775.23 = 479,289.20 : x
  2. Step 2: Convert to fraction form
    841,865.35/1,161,775.23 = 479,289.20/x
  3. Step 3: Cross multiply
    841,865.35x = 1,161,775.23 × 479,289.20
  4. Step 4: Simplify right side
    841,865.35x = 556,826,316,209.86
  5. Step 5: Solve for x
    x = 556,826,316,209.86/841,865.35
  6. Step 6: Final answer
    x = 661,419.69

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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.