Home / 977,088.30-1,465,632.45-811,200.30

Finding the Fourth Proportional to 977,088.30, 1,465,632.45 and 811,200.30

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Solution

The fourth proportional to 977,088.30, 1,465,632.45 and 811,200.30 is: 1,216,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,088.30 : 1,465,632.45 = 811,200.30 : x
  2. Step 2: Convert to fraction form
    977,088.30/1,465,632.45 = 811,200.30/x
  3. Step 3: Cross multiply
    977,088.30x = 1,465,632.45 × 811,200.30
  4. Step 4: Simplify right side
    977,088.30x = 1,188,921,483,129.74
  5. Step 5: Solve for x
    x = 1,188,921,483,129.74/977,088.30
  6. Step 6: Final answer
    x = 1,216,800.45

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Double scale
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Similar ratio
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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.