Home / 776,478.17-1,071,527.12-436,946.42

Finding the Fourth Proportional to 776,478.17, 1,071,527.12 and 436,946.42

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Solution

The fourth proportional to 776,478.17, 1,071,527.12 and 436,946.42 is: 602,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,478.17 : 1,071,527.12 = 436,946.42 : x
  2. Step 2: Convert to fraction form
    776,478.17/1,071,527.12 = 436,946.42/x
  3. Step 3: Cross multiply
    776,478.17x = 1,071,527.12 × 436,946.42
  4. Step 4: Simplify right side
    776,478.17x = 468,199,939,016.91
  5. Step 5: Solve for x
    x = 468,199,939,016.91/776,478.17
  6. Step 6: Final answer
    x = 602,978.88

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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.