Home / 1,176,128.22-1,623,092.63-666,852.06

Finding the Fourth Proportional to 1,176,128.22, 1,623,092.63 and 666,852.06

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Solution

The fourth proportional to 1,176,128.22, 1,623,092.63 and 666,852.06 is: 920,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,128.22 : 1,623,092.63 = 666,852.06 : x
  2. Step 2: Convert to fraction form
    1,176,128.22/1,623,092.63 = 666,852.06/x
  3. Step 3: Cross multiply
    1,176,128.22x = 1,623,092.63 × 666,852.06
  4. Step 4: Simplify right side
    1,176,128.22x = 1,082,362,663,886.32
  5. Step 5: Solve for x
    x = 1,082,362,663,886.32/1,176,128.22
  6. Step 6: Final answer
    x = 920,276.08

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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.