Home / 977,026.30-1,347,908.38-609,287.11

Finding the Fourth Proportional to 977,026.30, 1,347,908.38 and 609,287.11

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Solution

The fourth proportional to 977,026.30, 1,347,908.38 and 609,287.11 is: 840,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,026.30 : 1,347,908.38 = 609,287.11 : x
  2. Step 2: Convert to fraction form
    977,026.30/1,347,908.38 = 609,287.11/x
  3. Step 3: Cross multiply
    977,026.30x = 1,347,908.38 × 609,287.11
  4. Step 4: Simplify right side
    977,026.30x = 821,263,196,501.99
  5. Step 5: Solve for x
    x = 821,263,196,501.99/977,026.30
  6. Step 6: Final answer
    x = 840,574.30

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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.