Home / 977,457.30-1,465,019.55-408,837.30

Finding the Fourth Proportional to 977,457.30, 1,465,019.55 and 408,837.30

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Solution

The fourth proportional to 977,457.30, 1,465,019.55 and 408,837.30 is: 612,768.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,457.30 : 1,465,019.55 = 408,837.30 : x
  2. Step 2: Convert to fraction form
    977,457.30/1,465,019.55 = 408,837.30/x
  3. Step 3: Cross multiply
    977,457.30x = 1,465,019.55 × 408,837.30
  4. Step 4: Simplify right side
    977,457.30x = 598,954,637,269.22
  5. Step 5: Solve for x
    x = 598,954,637,269.22/977,457.30
  6. Step 6: Final answer
    x = 612,768.08

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Double scale
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1.5x scale

Why These Related Problems?

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