Home / 851,306.12-1,174,767.06-464,113.16

Finding the Fourth Proportional to 851,306.12, 1,174,767.06 and 464,113.16

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Solution

The fourth proportional to 851,306.12, 1,174,767.06 and 464,113.16 is: 640,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,306.12 : 1,174,767.06 = 464,113.16 : x
  2. Step 2: Convert to fraction form
    851,306.12/1,174,767.06 = 464,113.16/x
  3. Step 3: Cross multiply
    851,306.12x = 1,174,767.06 × 464,113.16
  4. Step 4: Simplify right side
    851,306.12x = 545,224,852,480.51
  5. Step 5: Solve for x
    x = 545,224,852,480.51/851,306.12
  6. Step 6: Final answer
    x = 640,456.87

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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.