Home / 897,166.70-1,345,987.65-391,510.70

Finding the Fourth Proportional to 897,166.70, 1,345,987.65 and 391,510.70

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Solution

The fourth proportional to 897,166.70, 1,345,987.65 and 391,510.70 is: 587,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,166.70 : 1,345,987.65 = 391,510.70 : x
  2. Step 2: Convert to fraction form
    897,166.70/1,345,987.65 = 391,510.70/x
  3. Step 3: Cross multiply
    897,166.70x = 1,345,987.65 × 391,510.70
  4. Step 4: Simplify right side
    897,166.70x = 526,968,567,042.86
  5. Step 5: Solve for x
    x = 526,968,567,042.86/897,166.70
  6. Step 6: Final answer
    x = 587,369.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.