Home / 1,047,786.80-1,570,643.40-514,871.60

Finding the Fourth Proportional to 1,047,786.80, 1,570,643.40 and 514,871.60

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Solution

The fourth proportional to 1,047,786.80, 1,570,643.40 and 514,871.60 is: 771,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,786.80 : 1,570,643.40 = 514,871.60 : x
  2. Step 2: Convert to fraction form
    1,047,786.80/1,570,643.40 = 514,871.60/x
  3. Step 3: Cross multiply
    1,047,786.80x = 1,570,643.40 × 514,871.60
  4. Step 4: Simplify right side
    1,047,786.80x = 808,679,680,387.44
  5. Step 5: Solve for x
    x = 808,679,680,387.44/1,047,786.80
  6. Step 6: Final answer
    x = 771,797.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.