Home / 791,113.65-1,091,714.33-464,421.41

Finding the Fourth Proportional to 791,113.65, 1,091,714.33 and 464,421.41

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Solution

The fourth proportional to 791,113.65, 1,091,714.33 and 464,421.41 is: 640,888.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,113.65 : 1,091,714.33 = 464,421.41 : x
  2. Step 2: Convert to fraction form
    791,113.65/1,091,714.33 = 464,421.41/x
  3. Step 3: Cross multiply
    791,113.65x = 1,091,714.33 × 464,421.41
  4. Step 4: Simplify right side
    791,113.65x = 507,015,508,252.22
  5. Step 5: Solve for x
    x = 507,015,508,252.22/791,113.65
  6. Step 6: Final answer
    x = 640,888.34

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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.