Home / 1,210,265.61-1,670,100.85-666,298.23

Finding the Fourth Proportional to 1,210,265.61, 1,670,100.85 and 666,298.23

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Solution

The fourth proportional to 1,210,265.61, 1,670,100.85 and 666,298.23 is: 919,455.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,265.61 : 1,670,100.85 = 666,298.23 : x
  2. Step 2: Convert to fraction form
    1,210,265.61/1,670,100.85 = 666,298.23/x
  3. Step 3: Cross multiply
    1,210,265.61x = 1,670,100.85 × 666,298.23
  4. Step 4: Simplify right side
    1,210,265.61x = 1,112,785,240,276.50
  5. Step 5: Solve for x
    x = 1,112,785,240,276.50/1,210,265.61
  6. Step 6: Final answer
    x = 919,455.39

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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.