Home / 771,953.05-1,065,283.53-432,433.45

Finding the Fourth Proportional to 771,953.05, 1,065,283.53 and 432,433.45

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Solution

The fourth proportional to 771,953.05, 1,065,283.53 and 432,433.45 is: 596,751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,953.05 : 1,065,283.53 = 432,433.45 : x
  2. Step 2: Convert to fraction form
    771,953.05/1,065,283.53 = 432,433.45/x
  3. Step 3: Cross multiply
    771,953.05x = 1,065,283.53 × 432,433.45
  4. Step 4: Simplify right side
    771,953.05x = 460,664,232,106.08
  5. Step 5: Solve for x
    x = 460,664,232,106.08/771,953.05
  6. Step 6: Final answer
    x = 596,751.62

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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.