Home / 1,393,752.80-2,090,110.80-552,130.40

Finding the Fourth Proportional to 1,393,752.80, 2,090,110.80 and 552,130.40

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Solution

The fourth proportional to 1,393,752.80, 2,090,110.80 and 552,130.40 is: 827,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,752.80 : 2,090,110.80 = 552,130.40 : x
  2. Step 2: Convert to fraction form
    1,393,752.80/2,090,110.80 = 552,130.40/x
  3. Step 3: Cross multiply
    1,393,752.80x = 2,090,110.80 × 552,130.40
  4. Step 4: Simplify right side
    1,393,752.80x = 1,154,013,712,048.32
  5. Step 5: Solve for x
    x = 1,154,013,712,048.32/1,393,752.80
  6. Step 6: Final answer
    x = 827,990.24

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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.