Home / 897,510.96-1,238,841.43-553,454.85

Finding the Fourth Proportional to 897,510.96, 1,238,841.43 and 553,454.85

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Solution

The fourth proportional to 897,510.96, 1,238,841.43 and 553,454.85 is: 763,938.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,510.96 : 1,238,841.43 = 553,454.85 : x
  2. Step 2: Convert to fraction form
    897,510.96/1,238,841.43 = 553,454.85/x
  3. Step 3: Cross multiply
    897,510.96x = 1,238,841.43 × 553,454.85
  4. Step 4: Simplify right side
    897,510.96x = 685,642,797,814.44
  5. Step 5: Solve for x
    x = 685,642,797,814.44/897,510.96
  6. Step 6: Final answer
    x = 763,938.08

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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.