Home / 772,678.56-1,066,347.60-433,168.80

Finding the Fourth Proportional to 772,678.56, 1,066,347.60 and 433,168.80

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Solution

The fourth proportional to 772,678.56, 1,066,347.60 and 433,168.80 is: 597,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,678.56 : 1,066,347.60 = 433,168.80 : x
  2. Step 2: Convert to fraction form
    772,678.56/1,066,347.60 = 433,168.80/x
  3. Step 3: Cross multiply
    772,678.56x = 1,066,347.60 × 433,168.80
  4. Step 4: Simplify right side
    772,678.56x = 461,908,510,274.88
  5. Step 5: Solve for x
    x = 461,908,510,274.88/772,678.56
  6. Step 6: Final answer
    x = 597,801.64

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Double scale
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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.