Home / 860,440.86-1,187,437.23-473,272.65

Finding the Fourth Proportional to 860,440.86, 1,187,437.23 and 473,272.65

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Solution

The fourth proportional to 860,440.86, 1,187,437.23 and 473,272.65 is: 653,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,440.86 : 1,187,437.23 = 473,272.65 : x
  2. Step 2: Convert to fraction form
    860,440.86/1,187,437.23 = 473,272.65/x
  3. Step 3: Cross multiply
    860,440.86x = 1,187,437.23 × 473,272.65
  4. Step 4: Simplify right side
    860,440.86x = 561,981,564,550.76
  5. Step 5: Solve for x
    x = 561,981,564,550.76/860,440.86
  6. Step 6: Final answer
    x = 653,132.12

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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.