Home / 993,070.28-1,370,395.50-563,431.38

Finding the Fourth Proportional to 993,070.28, 1,370,395.50 and 563,431.38

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Solution

The fourth proportional to 993,070.28, 1,370,395.50 and 563,431.38 is: 777,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,070.28 : 1,370,395.50 = 563,431.38 : x
  2. Step 2: Convert to fraction form
    993,070.28/1,370,395.50 = 563,431.38/x
  3. Step 3: Cross multiply
    993,070.28x = 1,370,395.50 × 563,431.38
  4. Step 4: Simplify right side
    993,070.28x = 772,123,827,710.79
  5. Step 5: Solve for x
    x = 772,123,827,710.79/993,070.28
  6. Step 6: Final answer
    x = 777,511.77

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1.5x scale

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.