Home / 1,015,810.61-1,401,834.47-556,967.07

Finding the Fourth Proportional to 1,015,810.61, 1,401,834.47 and 556,967.07

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Solution

The fourth proportional to 1,015,810.61, 1,401,834.47 and 556,967.07 is: 768,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,810.61 : 1,401,834.47 = 556,967.07 : x
  2. Step 2: Convert to fraction form
    1,015,810.61/1,401,834.47 = 556,967.07/x
  3. Step 3: Cross multiply
    1,015,810.61x = 1,401,834.47 × 556,967.07
  4. Step 4: Simplify right side
    1,015,810.61x = 780,775,634,596.07
  5. Step 5: Solve for x
    x = 780,775,634,596.07/1,015,810.61
  6. Step 6: Final answer
    x = 768,623.24

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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.