Home / 947,330.40-1,307,325.14-517,610.49

Finding the Fourth Proportional to 947,330.40, 1,307,325.14 and 517,610.49

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Solution

The fourth proportional to 947,330.40, 1,307,325.14 and 517,610.49 is: 714,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,330.40 : 1,307,325.14 = 517,610.49 : x
  2. Step 2: Convert to fraction form
    947,330.40/1,307,325.14 = 517,610.49/x
  3. Step 3: Cross multiply
    947,330.40x = 1,307,325.14 × 517,610.49
  4. Step 4: Simplify right side
    947,330.40x = 676,685,203,716.67
  5. Step 5: Solve for x
    x = 676,685,203,716.67/947,330.40
  6. Step 6: Final answer
    x = 714,307.49

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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.