Home / 1,211,689.60-1,817,534.40-614,492.80

Finding the Fourth Proportional to 1,211,689.60, 1,817,534.40 and 614,492.80

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Solution

The fourth proportional to 1,211,689.60, 1,817,534.40 and 614,492.80 is: 921,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,689.60 : 1,817,534.40 = 614,492.80 : x
  2. Step 2: Convert to fraction form
    1,211,689.60/1,817,534.40 = 614,492.80/x
  3. Step 3: Cross multiply
    1,211,689.60x = 1,817,534.40 × 614,492.80
  4. Step 4: Simplify right side
    1,211,689.60x = 1,116,861,802,552.32
  5. Step 5: Solve for x
    x = 1,116,861,802,552.32/1,211,689.60
  6. Step 6: Final answer
    x = 921,739.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.