Home / 445,547.24-666,836.54-356,382.44

Finding the Fourth Proportional to 445,547.24, 666,836.54 and 356,382.44

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Solution

The fourth proportional to 445,547.24, 666,836.54 and 356,382.44 is: 533,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,547.24 : 666,836.54 = 356,382.44 : x
  2. Step 2: Convert to fraction form
    445,547.24/666,836.54 = 356,382.44/x
  3. Step 3: Cross multiply
    445,547.24x = 666,836.54 × 356,382.44
  4. Step 4: Simplify right side
    445,547.24x = 237,648,833,206.36
  5. Step 5: Solve for x
    x = 237,648,833,206.36/445,547.24
  6. Step 6: Final answer
    x = 533,386.39

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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.