Home / 771,536.16-1,064,810.88-431,938.80

Finding the Fourth Proportional to 771,536.16, 1,064,810.88 and 431,938.80

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Solution

The fourth proportional to 771,536.16, 1,064,810.88 and 431,938.80 is: 596,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,536.16 : 1,064,810.88 = 431,938.80 : x
  2. Step 2: Convert to fraction form
    771,536.16/1,064,810.88 = 431,938.80/x
  3. Step 3: Cross multiply
    771,536.16x = 1,064,810.88 × 431,938.80
  4. Step 4: Simplify right side
    771,536.16x = 459,933,133,734.14
  5. Step 5: Solve for x
    x = 459,933,133,734.14/771,536.16
  6. Step 6: Final answer
    x = 596,126.48

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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.