Home / 927,986.04-1,280,710.62-520,157.16

Finding the Fourth Proportional to 927,986.04, 1,280,710.62 and 520,157.16

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Solution

The fourth proportional to 927,986.04, 1,280,710.62 and 520,157.16 is: 717,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,986.04 : 1,280,710.62 = 520,157.16 : x
  2. Step 2: Convert to fraction form
    927,986.04/1,280,710.62 = 520,157.16/x
  3. Step 3: Cross multiply
    927,986.04x = 1,280,710.62 × 520,157.16
  4. Step 4: Simplify right side
    927,986.04x = 666,170,798,881.04
  5. Step 5: Solve for x
    x = 666,170,798,881.04/927,986.04
  6. Step 6: Final answer
    x = 717,867.26

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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.