Home / 696,332.40-961,109.67-424,550.19

Finding the Fourth Proportional to 696,332.40, 961,109.67 and 424,550.19

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Solution

The fourth proportional to 696,332.40, 961,109.67 and 424,550.19 is: 585,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,332.40 : 961,109.67 = 424,550.19 : x
  2. Step 2: Convert to fraction form
    696,332.40/961,109.67 = 424,550.19/x
  3. Step 3: Cross multiply
    696,332.40x = 961,109.67 × 424,550.19
  4. Step 4: Simplify right side
    696,332.40x = 408,039,293,009.34
  5. Step 5: Solve for x
    x = 408,039,293,009.34/696,332.40
  6. Step 6: Final answer
    x = 585,983.49

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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.