Home / 1,154,470.40-1,592,137.60-724,790.56

Finding the Fourth Proportional to 1,154,470.40, 1,592,137.60 and 724,790.56

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Solution

The fourth proportional to 1,154,470.40, 1,592,137.60 and 724,790.56 is: 999,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,470.40 : 1,592,137.60 = 724,790.56 : x
  2. Step 2: Convert to fraction form
    1,154,470.40/1,592,137.60 = 724,790.56/x
  3. Step 3: Cross multiply
    1,154,470.40x = 1,592,137.60 × 724,790.56
  4. Step 4: Simplify right side
    1,154,470.40x = 1,153,966,302,701.06
  5. Step 5: Solve for x
    x = 1,153,966,302,701.06/1,154,470.40
  6. Step 6: Final answer
    x = 999,563.35

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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.