Home / 979,965.16-1,352,345.32-617,623

Finding the Fourth Proportional to 979,965.16, 1,352,345.32 and 617,623

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Solution

The fourth proportional to 979,965.16, 1,352,345.32 and 617,623 is: 852,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,965.16 : 1,352,345.32 = 617,623 : x
  2. Step 2: Convert to fraction form
    979,965.16/1,352,345.32 = 617,623/x
  3. Step 3: Cross multiply
    979,965.16x = 1,352,345.32 × 617,623
  4. Step 4: Simplify right side
    979,965.16x = 835,239,573,574.36
  5. Step 5: Solve for x
    x = 835,239,573,574.36/979,965.16
  6. Step 6: Final answer
    x = 852,315.58

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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.