Home / 913,622.40-1,367,809.20-559,328.40

Finding the Fourth Proportional to 913,622.40, 1,367,809.20 and 559,328.40

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Solution

The fourth proportional to 913,622.40, 1,367,809.20 and 559,328.40 is: 837,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,622.40 : 1,367,809.20 = 559,328.40 : x
  2. Step 2: Convert to fraction form
    913,622.40/1,367,809.20 = 559,328.40/x
  3. Step 3: Cross multiply
    913,622.40x = 1,367,809.20 × 559,328.40
  4. Step 4: Simplify right side
    913,622.40x = 765,054,531,341.28
  5. Step 5: Solve for x
    x = 765,054,531,341.28/913,622.40
  6. Step 6: Final answer
    x = 837,385.92

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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.