Home / 917,960.16-1,266,782.04-510,060.36

Finding the Fourth Proportional to 917,960.16, 1,266,782.04 and 510,060.36

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Solution

The fourth proportional to 917,960.16, 1,266,782.04 and 510,060.36 is: 703,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,960.16 : 1,266,782.04 = 510,060.36 : x
  2. Step 2: Convert to fraction form
    917,960.16/1,266,782.04 = 510,060.36/x
  3. Step 3: Cross multiply
    917,960.16x = 1,266,782.04 × 510,060.36
  4. Step 4: Simplify right side
    917,960.16x = 646,135,303,363.94
  5. Step 5: Solve for x
    x = 646,135,303,363.94/917,960.16
  6. Step 6: Final answer
    x = 703,881.64

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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.