Home / 771,531.03-1,066,743.59-675,762.30

Finding the Fourth Proportional to 771,531.03, 1,066,743.59 and 675,762.30

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Solution

The fourth proportional to 771,531.03, 1,066,743.59 and 675,762.30 is: 934,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,531.03 : 1,066,743.59 = 675,762.30 : x
  2. Step 2: Convert to fraction form
    771,531.03/1,066,743.59 = 675,762.30/x
  3. Step 3: Cross multiply
    771,531.03x = 1,066,743.59 × 675,762.30
  4. Step 4: Simplify right side
    771,531.03x = 720,865,098,509.85
  5. Step 5: Solve for x
    x = 720,865,098,509.85/771,531.03
  6. Step 6: Final answer
    x = 934,330.66

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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.