Home / 1,015,363.12-1,401,209.40-562,661.68

Finding the Fourth Proportional to 1,015,363.12, 1,401,209.40 and 562,661.68

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Solution

The fourth proportional to 1,015,363.12, 1,401,209.40 and 562,661.68 is: 776,477.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,363.12 : 1,401,209.40 = 562,661.68 : x
  2. Step 2: Convert to fraction form
    1,015,363.12/1,401,209.40 = 562,661.68/x
  3. Step 3: Cross multiply
    1,015,363.12x = 1,401,209.40 × 562,661.68
  4. Step 4: Simplify right side
    1,015,363.12x = 788,406,835,035.79
  5. Step 5: Solve for x
    x = 788,406,835,035.79/1,015,363.12
  6. Step 6: Final answer
    x = 776,477.71

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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.