Home / 1,156,490.22-1,596,123.51-666,365.91

Finding the Fourth Proportional to 1,156,490.22, 1,596,123.51 and 666,365.91

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Solution

The fourth proportional to 1,156,490.22, 1,596,123.51 and 666,365.91 is: 919,681.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,490.22 : 1,596,123.51 = 666,365.91 : x
  2. Step 2: Convert to fraction form
    1,156,490.22/1,596,123.51 = 666,365.91/x
  3. Step 3: Cross multiply
    1,156,490.22x = 1,596,123.51 × 666,365.91
  4. Step 4: Simplify right side
    1,156,490.22x = 1,063,602,295,213.54
  5. Step 5: Solve for x
    x = 1,063,602,295,213.54/1,156,490.22
  6. Step 6: Final answer
    x = 919,681.18

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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.