Home / 1,130,894.01-1,560,656.03-621,643.77

Finding the Fourth Proportional to 1,130,894.01, 1,560,656.03 and 621,643.77

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Solution

The fourth proportional to 1,130,894.01, 1,560,656.03 and 621,643.77 is: 857,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,894.01 : 1,560,656.03 = 621,643.77 : x
  2. Step 2: Convert to fraction form
    1,130,894.01/1,560,656.03 = 621,643.77/x
  3. Step 3: Cross multiply
    1,130,894.01x = 1,560,656.03 × 621,643.77
  4. Step 4: Simplify right side
    1,130,894.01x = 970,172,095,054.21
  5. Step 5: Solve for x
    x = 970,172,095,054.21/1,130,894.01
  6. Step 6: Final answer
    x = 857,880.66

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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.