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Finding the Fourth Proportional to 1,015,301.03, 1,401,084.86 and 556,409.99

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Solution

The fourth proportional to 1,015,301.03, 1,401,084.86 and 556,409.99 is: 767,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,301.03 : 1,401,084.86 = 556,409.99 : x
  2. Step 2: Convert to fraction form
    1,015,301.03/1,401,084.86 = 556,409.99/x
  3. Step 3: Cross multiply
    1,015,301.03x = 1,401,084.86 × 556,409.99
  4. Step 4: Simplify right side
    1,015,301.03x = 779,577,607,327.35
  5. Step 5: Solve for x
    x = 779,577,607,327.35/1,015,301.03
  6. Step 6: Final answer
    x = 767,829.04

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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.