Home / 866,280.07-1,298,547.51-361,120.51

Finding the Fourth Proportional to 866,280.07, 1,298,547.51 and 361,120.51

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Solution

The fourth proportional to 866,280.07, 1,298,547.51 and 361,120.51 is: 541,317.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,280.07 : 1,298,547.51 = 361,120.51 : x
  2. Step 2: Convert to fraction form
    866,280.07/1,298,547.51 = 361,120.51/x
  3. Step 3: Cross multiply
    866,280.07x = 1,298,547.51 × 361,120.51
  4. Step 4: Simplify right side
    866,280.07x = 468,932,139,070.43
  5. Step 5: Solve for x
    x = 468,932,139,070.43/866,280.07
  6. Step 6: Final answer
    x = 541,317.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.