Home / 970,089.96-1,338,725.38-528,562.45

Finding the Fourth Proportional to 970,089.96, 1,338,725.38 and 528,562.45

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Solution

The fourth proportional to 970,089.96, 1,338,725.38 and 528,562.45 is: 729,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,089.96 : 1,338,725.38 = 528,562.45 : x
  2. Step 2: Convert to fraction form
    970,089.96/1,338,725.38 = 528,562.45/x
  3. Step 3: Cross multiply
    970,089.96x = 1,338,725.38 × 528,562.45
  4. Step 4: Simplify right side
    970,089.96x = 707,599,960,036.35
  5. Step 5: Solve for x
    x = 707,599,960,036.35/970,089.96
  6. Step 6: Final answer
    x = 729,416.85

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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.