Home / 771,582.30-1,064,800.65-440,431.41

Finding the Fourth Proportional to 771,582.30, 1,064,800.65 and 440,431.41

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Solution

The fourth proportional to 771,582.30, 1,064,800.65 and 440,431.41 is: 607,805.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,582.30 : 1,064,800.65 = 440,431.41 : x
  2. Step 2: Convert to fraction form
    771,582.30/1,064,800.65 = 440,431.41/x
  3. Step 3: Cross multiply
    771,582.30x = 1,064,800.65 × 440,431.41
  4. Step 4: Simplify right side
    771,582.30x = 468,971,651,648.42
  5. Step 5: Solve for x
    x = 468,971,651,648.42/771,582.30
  6. Step 6: Final answer
    x = 607,805.09

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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.