Home / 460,769.60-635,784.93-256,775.76

Finding the Fourth Proportional to 460,769.60, 635,784.93 and 256,775.76

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Solution

The fourth proportional to 460,769.60, 635,784.93 and 256,775.76 is: 354,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,769.60 : 635,784.93 = 256,775.76 : x
  2. Step 2: Convert to fraction form
    460,769.60/635,784.93 = 256,775.76/x
  3. Step 3: Cross multiply
    460,769.60x = 635,784.93 × 256,775.76
  4. Step 4: Simplify right side
    460,769.60x = 163,254,158,597.30
  5. Step 5: Solve for x
    x = 163,254,158,597.30/460,769.60
  6. Step 6: Final answer
    x = 354,307.57

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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.