Home / 947,283.51-1,307,235.99-517,554.42

Finding the Fourth Proportional to 947,283.51, 1,307,235.99 and 517,554.42

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Solution

The fourth proportional to 947,283.51, 1,307,235.99 and 517,554.42 is: 714,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,283.51 : 1,307,235.99 = 517,554.42 : x
  2. Step 2: Convert to fraction form
    947,283.51/1,307,235.99 = 517,554.42/x
  3. Step 3: Cross multiply
    947,283.51x = 1,307,235.99 × 517,554.42
  4. Step 4: Simplify right side
    947,283.51x = 676,565,764,607.58
  5. Step 5: Solve for x
    x = 676,565,764,607.58/947,283.51
  6. Step 6: Final answer
    x = 714,216.77

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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.