Home / 684,608.47-945,726.05-623,252.18

Finding the Fourth Proportional to 684,608.47, 945,726.05 and 623,252.18

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Solution

The fourth proportional to 684,608.47, 945,726.05 and 623,252.18 is: 860,967.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,608.47 : 945,726.05 = 623,252.18 : x
  2. Step 2: Convert to fraction form
    684,608.47/945,726.05 = 623,252.18/x
  3. Step 3: Cross multiply
    684,608.47x = 945,726.05 × 623,252.18
  4. Step 4: Simplify right side
    684,608.47x = 589,425,826,267.74
  5. Step 5: Solve for x
    x = 589,425,826,267.74/684,608.47
  6. Step 6: Final answer
    x = 860,967.77

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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.