Home / 916,984.80-1,375,477.20-707,032.80

Finding the Fourth Proportional to 916,984.80, 1,375,477.20 and 707,032.80

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Solution

The fourth proportional to 916,984.80, 1,375,477.20 and 707,032.80 is: 1,060,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,984.80 : 1,375,477.20 = 707,032.80 : x
  2. Step 2: Convert to fraction form
    916,984.80/1,375,477.20 = 707,032.80/x
  3. Step 3: Cross multiply
    916,984.80x = 1,375,477.20 × 707,032.80
  4. Step 4: Simplify right side
    916,984.80x = 972,507,496,052.16
  5. Step 5: Solve for x
    x = 972,507,496,052.16/916,984.80
  6. Step 6: Final answer
    x = 1,060,549.20

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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.