Home / 926,707.20-1,278,892.80-569,126.40

Finding the Fourth Proportional to 926,707.20, 1,278,892.80 and 569,126.40

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Solution

The fourth proportional to 926,707.20, 1,278,892.80 and 569,126.40 is: 785,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,707.20 : 1,278,892.80 = 569,126.40 : x
  2. Step 2: Convert to fraction form
    926,707.20/1,278,892.80 = 569,126.40/x
  3. Step 3: Cross multiply
    926,707.20x = 1,278,892.80 × 569,126.40
  4. Step 4: Simplify right side
    926,707.20x = 727,851,655,249.92
  5. Step 5: Solve for x
    x = 727,851,655,249.92/926,707.20
  6. Step 6: Final answer
    x = 785,417.07

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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.