Home / 1,013,905.60-1,399,043.28-561,195.52

Finding the Fourth Proportional to 1,013,905.60, 1,399,043.28 and 561,195.52

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Solution

The fourth proportional to 1,013,905.60, 1,399,043.28 and 561,195.52 is: 774,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,905.60 : 1,399,043.28 = 561,195.52 : x
  2. Step 2: Convert to fraction form
    1,013,905.60/1,399,043.28 = 561,195.52/x
  3. Step 3: Cross multiply
    1,013,905.60x = 1,399,043.28 × 561,195.52
  4. Step 4: Simplify right side
    1,013,905.60x = 785,136,821,022.11
  5. Step 5: Solve for x
    x = 785,136,821,022.11/1,013,905.60
  6. Step 6: Final answer
    x = 774,368.76

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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.