Home / 1,015,443.21-1,401,326.96-556,554.11

Finding the Fourth Proportional to 1,015,443.21, 1,401,326.96 and 556,554.11

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Solution

The fourth proportional to 1,015,443.21, 1,401,326.96 and 556,554.11 is: 768,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,443.21 : 1,401,326.96 = 556,554.11 : x
  2. Step 2: Convert to fraction form
    1,015,443.21/1,401,326.96 = 556,554.11/x
  3. Step 3: Cross multiply
    1,015,443.21x = 1,401,326.96 × 556,554.11
  4. Step 4: Simplify right side
    1,015,443.21x = 779,914,279,041.81
  5. Step 5: Solve for x
    x = 779,914,279,041.81/1,015,443.21
  6. Step 6: Final answer
    x = 768,053.07

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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.