Home / 1,059,985.16-1,462,156.80-666,893.16

Finding the Fourth Proportional to 1,059,985.16, 1,462,156.80 and 666,893.16

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Solution

The fourth proportional to 1,059,985.16, 1,462,156.80 and 666,893.16 is: 919,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,985.16 : 1,462,156.80 = 666,893.16 : x
  2. Step 2: Convert to fraction form
    1,059,985.16/1,462,156.80 = 666,893.16/x
  3. Step 3: Cross multiply
    1,059,985.16x = 1,462,156.80 × 666,893.16
  4. Step 4: Simplify right side
    1,059,985.16x = 975,102,368,767.49
  5. Step 5: Solve for x
    x = 975,102,368,767.49/1,059,985.16
  6. Step 6: Final answer
    x = 919,920.77

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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.