Home / 771,543.36-1,066,760.69-675,774.63

Finding the Fourth Proportional to 771,543.36, 1,066,760.69 and 675,774.63

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Solution

The fourth proportional to 771,543.36, 1,066,760.69 and 675,774.63 is: 934,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,543.36 : 1,066,760.69 = 675,774.63 : x
  2. Step 2: Convert to fraction form
    771,543.36/1,066,760.69 = 675,774.63/x
  3. Step 3: Cross multiply
    771,543.36x = 1,066,760.69 × 675,774.63
  4. Step 4: Simplify right side
    771,543.36x = 720,889,807,204.42
  5. Step 5: Solve for x
    x = 720,889,807,204.42/771,543.36
  6. Step 6: Final answer
    x = 934,347.76

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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.