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Finding the Fourth Proportional to 1,087,666.72, 1,500,978.72 and 604,276.48

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Solution

The fourth proportional to 1,087,666.72, 1,500,978.72 and 604,276.48 is: 833,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,666.72 : 1,500,978.72 = 604,276.48 : x
  2. Step 2: Convert to fraction form
    1,087,666.72/1,500,978.72 = 604,276.48/x
  3. Step 3: Cross multiply
    1,087,666.72x = 1,500,978.72 × 604,276.48
  4. Step 4: Simplify right side
    1,087,666.72x = 907,006,137,476.51
  5. Step 5: Solve for x
    x = 907,006,137,476.51/1,087,666.72
  6. Step 6: Final answer
    x = 833,900.79

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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.