Home / 1,140,954.52-1,574,457.32-624,609.40

Finding the Fourth Proportional to 1,140,954.52, 1,574,457.32 and 624,609.40

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Solution

The fourth proportional to 1,140,954.52, 1,574,457.32 and 624,609.40 is: 861,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,954.52 : 1,574,457.32 = 624,609.40 : x
  2. Step 2: Convert to fraction form
    1,140,954.52/1,574,457.32 = 624,609.40/x
  3. Step 3: Cross multiply
    1,140,954.52x = 1,574,457.32 × 624,609.40
  4. Step 4: Simplify right side
    1,140,954.52x = 983,420,841,970.81
  5. Step 5: Solve for x
    x = 983,420,841,970.81/1,140,954.52
  6. Step 6: Final answer
    x = 861,928.17

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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.