Home / 1,013,901.60-1,399,037.76-561,191.52

Finding the Fourth Proportional to 1,013,901.60, 1,399,037.76 and 561,191.52

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Solution

The fourth proportional to 1,013,901.60, 1,399,037.76 and 561,191.52 is: 774,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,901.60 : 1,399,037.76 = 561,191.52 : x
  2. Step 2: Convert to fraction form
    1,013,901.60/1,399,037.76 = 561,191.52/x
  3. Step 3: Cross multiply
    1,013,901.60x = 1,399,037.76 × 561,191.52
  4. Step 4: Simplify right side
    1,013,901.60x = 785,128,127,071.80
  5. Step 5: Solve for x
    x = 785,128,127,071.80/1,013,901.60
  6. Step 6: Final answer
    x = 774,363.24

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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.