Home / 1,013,816.18-1,399,110.45-561,107.06

Finding the Fourth Proportional to 1,013,816.18, 1,399,110.45 and 561,107.06

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Solution

The fourth proportional to 1,013,816.18, 1,399,110.45 and 561,107.06 is: 774,352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,816.18 : 1,399,110.45 = 561,107.06 : x
  2. Step 2: Convert to fraction form
    1,013,816.18/1,399,110.45 = 561,107.06/x
  3. Step 3: Cross multiply
    1,013,816.18x = 1,399,110.45 × 561,107.06
  4. Step 4: Simplify right side
    1,013,816.18x = 785,050,751,214.78
  5. Step 5: Solve for x
    x = 785,050,751,214.78/1,013,816.18
  6. Step 6: Final answer
    x = 774,352.16

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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.