Home / 1,688,639.05-2,330,322.78-924,692.55

Finding the Fourth Proportional to 1,688,639.05, 2,330,322.78 and 924,692.55

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Solution

The fourth proportional to 1,688,639.05, 2,330,322.78 and 924,692.55 is: 1,276,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,639.05 : 2,330,322.78 = 924,692.55 : x
  2. Step 2: Convert to fraction form
    1,688,639.05/2,330,322.78 = 924,692.55/x
  3. Step 3: Cross multiply
    1,688,639.05x = 2,330,322.78 × 924,692.55
  4. Step 4: Simplify right side
    1,688,639.05x = 2,154,832,113,761.29
  5. Step 5: Solve for x
    x = 2,154,832,113,761.29/1,688,639.05
  6. Step 6: Final answer
    x = 1,276,076.21

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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.