Home / 860,923.26-1,187,753.04-538,510.86

Finding the Fourth Proportional to 860,923.26, 1,187,753.04 and 538,510.86

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Solution

The fourth proportional to 860,923.26, 1,187,753.04 and 538,510.86 is: 742,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,923.26 : 1,187,753.04 = 538,510.86 : x
  2. Step 2: Convert to fraction form
    860,923.26/1,187,753.04 = 538,510.86/x
  3. Step 3: Cross multiply
    860,923.26x = 1,187,753.04 × 538,510.86
  4. Step 4: Simplify right side
    860,923.26x = 639,617,911,038.01
  5. Step 5: Solve for x
    x = 639,617,911,038.01/860,923.26
  6. Step 6: Final answer
    x = 742,944.16

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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.