Home / 897,166.20-1,345,986.90-391,510.20

Finding the Fourth Proportional to 897,166.20, 1,345,986.90 and 391,510.20

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Solution

The fourth proportional to 897,166.20, 1,345,986.90 and 391,510.20 is: 587,368.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,166.20 : 1,345,986.90 = 391,510.20 : x
  2. Step 2: Convert to fraction form
    897,166.20/1,345,986.90 = 391,510.20/x
  3. Step 3: Cross multiply
    897,166.20x = 1,345,986.90 × 391,510.20
  4. Step 4: Simplify right side
    897,166.20x = 526,967,600,416.38
  5. Step 5: Solve for x
    x = 526,967,600,416.38/897,166.20
  6. Step 6: Final answer
    x = 587,368.99

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Double scale
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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.