Home / 993,535.30-1,371,085.28-563,822.61

Finding the Fourth Proportional to 993,535.30, 1,371,085.28 and 563,822.61

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Solution

The fourth proportional to 993,535.30, 1,371,085.28 and 563,822.61 is: 778,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,535.30 : 1,371,085.28 = 563,822.61 : x
  2. Step 2: Convert to fraction form
    993,535.30/1,371,085.28 = 563,822.61/x
  3. Step 3: Cross multiply
    993,535.30x = 1,371,085.28 × 563,822.61
  4. Step 4: Simplify right side
    993,535.30x = 773,048,881,102.18
  5. Step 5: Solve for x
    x = 773,048,881,102.18/993,535.30
  6. Step 6: Final answer
    x = 778,078.93

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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.