Home / 860,443.86-1,187,441.38-473,275.66

Finding the Fourth Proportional to 860,443.86, 1,187,441.38 and 473,275.66

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Solution

The fourth proportional to 860,443.86, 1,187,441.38 and 473,275.66 is: 653,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,443.86 : 1,187,441.38 = 473,275.66 : x
  2. Step 2: Convert to fraction form
    860,443.86/1,187,441.38 = 473,275.66/x
  3. Step 3: Cross multiply
    860,443.86x = 1,187,441.38 × 473,275.66
  4. Step 4: Simplify right side
    860,443.86x = 561,987,102,830.81
  5. Step 5: Solve for x
    x = 561,987,102,830.81/860,443.86
  6. Step 6: Final answer
    x = 653,136.28

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Double scale
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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.