Home / 771,581.30-1,064,799.27-440,430.41

Finding the Fourth Proportional to 771,581.30, 1,064,799.27 and 440,430.41

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Solution

The fourth proportional to 771,581.30, 1,064,799.27 and 440,430.41 is: 607,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,581.30 : 1,064,799.27 = 440,430.41 : x
  2. Step 2: Convert to fraction form
    771,581.30/1,064,799.27 = 440,430.41/x
  3. Step 3: Cross multiply
    771,581.30x = 1,064,799.27 × 440,430.41
  4. Step 4: Simplify right side
    771,581.30x = 468,969,981,715.80
  5. Step 5: Solve for x
    x = 468,969,981,715.80/771,581.30
  6. Step 6: Final answer
    x = 607,803.72

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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.