Home / 977,892.75-1,349,496.86-570,277.26

Finding the Fourth Proportional to 977,892.75, 1,349,496.86 and 570,277.26

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Solution

The fourth proportional to 977,892.75, 1,349,496.86 and 570,277.26 is: 786,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,892.75 : 1,349,496.86 = 570,277.26 : x
  2. Step 2: Convert to fraction form
    977,892.75/1,349,496.86 = 570,277.26/x
  3. Step 3: Cross multiply
    977,892.75x = 1,349,496.86 × 570,277.26
  4. Step 4: Simplify right side
    977,892.75x = 769,587,368,848.02
  5. Step 5: Solve for x
    x = 769,587,368,848.02/977,892.75
  6. Step 6: Final answer
    x = 786,985.45

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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.