Home / 1,000,041.77-1,380,081.26-570,312.66

Finding the Fourth Proportional to 1,000,041.77, 1,380,081.26 and 570,312.66

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Solution

The fourth proportional to 1,000,041.77, 1,380,081.26 and 570,312.66 is: 787,044.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,041.77 : 1,380,081.26 = 570,312.66 : x
  2. Step 2: Convert to fraction form
    1,000,041.77/1,380,081.26 = 570,312.66/x
  3. Step 3: Cross multiply
    1,000,041.77x = 1,380,081.26 × 570,312.66
  4. Step 4: Simplify right side
    1,000,041.77x = 787,077,811,555.19
  5. Step 5: Solve for x
    x = 787,077,811,555.19/1,000,041.77
  6. Step 6: Final answer
    x = 787,044.94

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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.