Home / 771,859.80-1,065,154.86-432,340.20

Finding the Fourth Proportional to 771,859.80, 1,065,154.86 and 432,340.20

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Solution

The fourth proportional to 771,859.80, 1,065,154.86 and 432,340.20 is: 596,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,859.80 : 1,065,154.86 = 432,340.20 : x
  2. Step 2: Convert to fraction form
    771,859.80/1,065,154.86 = 432,340.20/x
  3. Step 3: Cross multiply
    771,859.80x = 1,065,154.86 × 432,340.20
  4. Step 4: Simplify right side
    771,859.80x = 460,509,265,203.37
  5. Step 5: Solve for x
    x = 460,509,265,203.37/771,859.80
  6. Step 6: Final answer
    x = 596,622.94

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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.