Home / 838,864.80-1,157,533.20-476,157.60

Finding the Fourth Proportional to 838,864.80, 1,157,533.20 and 476,157.60

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Solution

The fourth proportional to 838,864.80, 1,157,533.20 and 476,157.60 is: 657,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,864.80 : 1,157,533.20 = 476,157.60 : x
  2. Step 2: Convert to fraction form
    838,864.80/1,157,533.20 = 476,157.60/x
  3. Step 3: Cross multiply
    838,864.80x = 1,157,533.20 × 476,157.60
  4. Step 4: Simplify right side
    838,864.80x = 551,168,230,432.32
  5. Step 5: Solve for x
    x = 551,168,230,432.32/838,864.80
  6. Step 6: Final answer
    x = 657,040.60

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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.