Home / 778,275.48-1,166,315.84-367,506.51

Finding the Fourth Proportional to 778,275.48, 1,166,315.84 and 367,506.51

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Solution

The fourth proportional to 778,275.48, 1,166,315.84 and 367,506.51 is: 550,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,275.48 : 1,166,315.84 = 367,506.51 : x
  2. Step 2: Convert to fraction form
    778,275.48/1,166,315.84 = 367,506.51/x
  3. Step 3: Cross multiply
    778,275.48x = 1,166,315.84 × 367,506.51
  4. Step 4: Simplify right side
    778,275.48x = 428,628,663,916.12
  5. Step 5: Solve for x
    x = 428,628,663,916.12/778,275.48
  6. Step 6: Final answer
    x = 550,741.58

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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.