Home / 771,532.85-1,064,732.48-440,382.10

Finding the Fourth Proportional to 771,532.85, 1,064,732.48 and 440,382.10

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Solution

The fourth proportional to 771,532.85, 1,064,732.48 and 440,382.10 is: 607,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,532.85 : 1,064,732.48 = 440,382.10 : x
  2. Step 2: Convert to fraction form
    771,532.85/1,064,732.48 = 440,382.10/x
  3. Step 3: Cross multiply
    771,532.85x = 1,064,732.48 × 440,382.10
  4. Step 4: Simplify right side
    771,532.85x = 468,889,125,480.61
  5. Step 5: Solve for x
    x = 468,889,125,480.61/771,532.85
  6. Step 6: Final answer
    x = 607,737.09

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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.