Home / 773,077.48-1,066,531.92-518,510.68

Finding the Fourth Proportional to 773,077.48, 1,066,531.92 and 518,510.68

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Solution

The fourth proportional to 773,077.48, 1,066,531.92 and 518,510.68 is: 715,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,077.48 : 1,066,531.92 = 518,510.68 : x
  2. Step 2: Convert to fraction form
    773,077.48/1,066,531.92 = 518,510.68/x
  3. Step 3: Cross multiply
    773,077.48x = 1,066,531.92 × 518,510.68
  4. Step 4: Simplify right side
    773,077.48x = 553,008,191,080.91
  5. Step 5: Solve for x
    x = 553,008,191,080.91/773,077.48
  6. Step 6: Final answer
    x = 715,333.46

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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.