Home / 740,975.97-1,022,547.84-401,444.22

Finding the Fourth Proportional to 740,975.97, 1,022,547.84 and 401,444.22

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Solution

The fourth proportional to 740,975.97, 1,022,547.84 and 401,444.22 is: 553,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,975.97 : 1,022,547.84 = 401,444.22 : x
  2. Step 2: Convert to fraction form
    740,975.97/1,022,547.84 = 401,444.22/x
  3. Step 3: Cross multiply
    740,975.97x = 1,022,547.84 × 401,444.22
  4. Step 4: Simplify right side
    740,975.97x = 410,495,920,041.49
  5. Step 5: Solve for x
    x = 410,495,920,041.49/740,975.97
  6. Step 6: Final answer
    x = 553,993.57

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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.