Home / 987,927.69-1,363,341.60-535,218.69

Finding the Fourth Proportional to 987,927.69, 1,363,341.60 and 535,218.69

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Solution

The fourth proportional to 987,927.69, 1,363,341.60 and 535,218.69 is: 738,602.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,927.69 : 1,363,341.60 = 535,218.69 : x
  2. Step 2: Convert to fraction form
    987,927.69/1,363,341.60 = 535,218.69/x
  3. Step 3: Cross multiply
    987,927.69x = 1,363,341.60 × 535,218.69
  4. Step 4: Simplify right side
    987,927.69x = 729,685,905,174.50
  5. Step 5: Solve for x
    x = 729,685,905,174.50/987,927.69
  6. Step 6: Final answer
    x = 738,602.54

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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.