Home / 788,710.66-1,087,145.58-616,329.04

Finding the Fourth Proportional to 788,710.66, 1,087,145.58 and 616,329.04

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Solution

The fourth proportional to 788,710.66, 1,087,145.58 and 616,329.04 is: 849,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,710.66 : 1,087,145.58 = 616,329.04 : x
  2. Step 2: Convert to fraction form
    788,710.66/1,087,145.58 = 616,329.04/x
  3. Step 3: Cross multiply
    788,710.66x = 1,087,145.58 × 616,329.04
  4. Step 4: Simplify right side
    788,710.66x = 670,039,391,661.64
  5. Step 5: Solve for x
    x = 670,039,391,661.64/788,710.66
  6. Step 6: Final answer
    x = 849,537.64

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Double scale
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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.