Home / 1,015,254.77-1,401,053.22-556,296.41

Finding the Fourth Proportional to 1,015,254.77, 1,401,053.22 and 556,296.41

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Solution

The fourth proportional to 1,015,254.77, 1,401,053.22 and 556,296.41 is: 767,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,254.77 : 1,401,053.22 = 556,296.41 : x
  2. Step 2: Convert to fraction form
    1,015,254.77/1,401,053.22 = 556,296.41/x
  3. Step 3: Cross multiply
    1,015,254.77x = 1,401,053.22 × 556,296.41
  4. Step 4: Simplify right side
    1,015,254.77x = 779,400,880,007.57
  5. Step 5: Solve for x
    x = 779,400,880,007.57/1,015,254.77
  6. Step 6: Final answer
    x = 767,689.95

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Double scale
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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.