Home / 776,547.56-1,071,458.34-436,891.88

Finding the Fourth Proportional to 776,547.56, 1,071,458.34 and 436,891.88

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Solution

The fourth proportional to 776,547.56, 1,071,458.34 and 436,891.88 is: 602,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,547.56 : 1,071,458.34 = 436,891.88 : x
  2. Step 2: Convert to fraction form
    776,547.56/1,071,458.34 = 436,891.88/x
  3. Step 3: Cross multiply
    776,547.56x = 1,071,458.34 × 436,891.88
  4. Step 4: Simplify right side
    776,547.56x = 468,111,448,504.28
  5. Step 5: Solve for x
    x = 468,111,448,504.28/776,547.56
  6. Step 6: Final answer
    x = 602,811.05

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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.