Home / 939,666.16-1,296,740.16-509,946.36

Finding the Fourth Proportional to 939,666.16, 1,296,740.16 and 509,946.36

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Solution

The fourth proportional to 939,666.16, 1,296,740.16 and 509,946.36 is: 703,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,666.16 : 1,296,740.16 = 509,946.36 : x
  2. Step 2: Convert to fraction form
    939,666.16/1,296,740.16 = 509,946.36/x
  3. Step 3: Cross multiply
    939,666.16x = 1,296,740.16 × 509,946.36
  4. Step 4: Simplify right side
    939,666.16x = 661,267,924,457.82
  5. Step 5: Solve for x
    x = 661,267,924,457.82/939,666.16
  6. Step 6: Final answer
    x = 703,726.44

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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.