Home / 1,035,880.40-1,553,820.60-615,630.80

Finding the Fourth Proportional to 1,035,880.40, 1,553,820.60 and 615,630.80

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Solution

The fourth proportional to 1,035,880.40, 1,553,820.60 and 615,630.80 is: 923,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,880.40 : 1,553,820.60 = 615,630.80 : x
  2. Step 2: Convert to fraction form
    1,035,880.40/1,553,820.60 = 615,630.80/x
  3. Step 3: Cross multiply
    1,035,880.40x = 1,553,820.60 × 615,630.80
  4. Step 4: Simplify right side
    1,035,880.40x = 956,579,819,034.48
  5. Step 5: Solve for x
    x = 956,579,819,034.48/1,035,880.40
  6. Step 6: Final answer
    x = 923,446.20

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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.