Home / 719,036.54-992,269.69-396,746.63

Finding the Fourth Proportional to 719,036.54, 992,269.69 and 396,746.63

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Solution

The fourth proportional to 719,036.54, 992,269.69 and 396,746.63 is: 547,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,036.54 : 992,269.69 = 396,746.63 : x
  2. Step 2: Convert to fraction form
    719,036.54/992,269.69 = 396,746.63/x
  3. Step 3: Cross multiply
    719,036.54x = 992,269.69 × 396,746.63
  4. Step 4: Simplify right side
    719,036.54x = 393,679,658,348.90
  5. Step 5: Solve for x
    x = 393,679,658,348.90/719,036.54
  6. Step 6: Final answer
    x = 547,509.94

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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.