Home / 1,281,861.60-1,922,792.40-803,564.70

Finding the Fourth Proportional to 1,281,861.60, 1,922,792.40 and 803,564.70

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Solution

The fourth proportional to 1,281,861.60, 1,922,792.40 and 803,564.70 is: 1,205,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,861.60 : 1,922,792.40 = 803,564.70 : x
  2. Step 2: Convert to fraction form
    1,281,861.60/1,922,792.40 = 803,564.70/x
  3. Step 3: Cross multiply
    1,281,861.60x = 1,922,792.40 × 803,564.70
  4. Step 4: Simplify right side
    1,281,861.60x = 1,545,088,098,068.28
  5. Step 5: Solve for x
    x = 1,545,088,098,068.28/1,281,861.60
  6. Step 6: Final answer
    x = 1,205,347.05

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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.