Home / 755,402.74-1,042,531.08-564,083.98

Finding the Fourth Proportional to 755,402.74, 1,042,531.08 and 564,083.98

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Solution

The fourth proportional to 755,402.74, 1,042,531.08 and 564,083.98 is: 778,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,402.74 : 1,042,531.08 = 564,083.98 : x
  2. Step 2: Convert to fraction form
    755,402.74/1,042,531.08 = 564,083.98/x
  3. Step 3: Cross multiply
    755,402.74x = 1,042,531.08 × 564,083.98
  4. Step 4: Simplify right side
    755,402.74x = 588,075,080,880.10
  5. Step 5: Solve for x
    x = 588,075,080,880.10/755,402.74
  6. Step 6: Final answer
    x = 778,492.12

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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.