Home / 993,210.86-1,370,536.16-557,528.46

Finding the Fourth Proportional to 993,210.86, 1,370,536.16 and 557,528.46

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Solution

The fourth proportional to 993,210.86, 1,370,536.16 and 557,528.46 is: 769,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,210.86 : 1,370,536.16 = 557,528.46 : x
  2. Step 2: Convert to fraction form
    993,210.86/1,370,536.16 = 557,528.46/x
  3. Step 3: Cross multiply
    993,210.86x = 1,370,536.16 × 557,528.46
  4. Step 4: Simplify right side
    993,210.86x = 764,112,911,871.47
  5. Step 5: Solve for x
    x = 764,112,911,871.47/993,210.86
  6. Step 6: Final answer
    x = 769,336.05

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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.