Home / 860,418.51-1,187,411.42-473,269.95

Finding the Fourth Proportional to 860,418.51, 1,187,411.42 and 473,269.95

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Solution

The fourth proportional to 860,418.51, 1,187,411.42 and 473,269.95 is: 653,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,418.51 : 1,187,411.42 = 473,269.95 : x
  2. Step 2: Convert to fraction form
    860,418.51/1,187,411.42 = 473,269.95/x
  3. Step 3: Cross multiply
    860,418.51x = 1,187,411.42 × 473,269.95
  4. Step 4: Simplify right side
    860,418.51x = 561,966,135,069.42
  5. Step 5: Solve for x
    x = 561,966,135,069.42/860,418.51
  6. Step 6: Final answer
    x = 653,131.16

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1.5x scale

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.