Home / 786,078.04-1,084,728.02-441,859.22

Finding the Fourth Proportional to 786,078.04, 1,084,728.02 and 441,859.22

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Solution

The fourth proportional to 786,078.04, 1,084,728.02 and 441,859.22 is: 609,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,078.04 : 1,084,728.02 = 441,859.22 : x
  2. Step 2: Convert to fraction form
    786,078.04/1,084,728.02 = 441,859.22/x
  3. Step 3: Cross multiply
    786,078.04x = 1,084,728.02 × 441,859.22
  4. Step 4: Simplify right side
    786,078.04x = 479,297,076,829.34
  5. Step 5: Solve for x
    x = 479,297,076,829.34/786,078.04
  6. Step 6: Final answer
    x = 609,732.18

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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.