Home / 839,173.90-1,158,019.68-476,549.86

Finding the Fourth Proportional to 839,173.90, 1,158,019.68 and 476,549.86

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Solution

The fourth proportional to 839,173.90, 1,158,019.68 and 476,549.86 is: 657,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,173.90 : 1,158,019.68 = 476,549.86 : x
  2. Step 2: Convert to fraction form
    839,173.90/1,158,019.68 = 476,549.86/x
  3. Step 3: Cross multiply
    839,173.90x = 1,158,019.68 × 476,549.86
  4. Step 4: Simplify right side
    839,173.90x = 551,854,116,381.25
  5. Step 5: Solve for x
    x = 551,854,116,381.25/839,173.90
  6. Step 6: Final answer
    x = 657,615.92

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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.