Home / 1,157,240.34-1,735,943.64-399,070.88

Finding the Fourth Proportional to 1,157,240.34, 1,735,943.64 and 399,070.88

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Solution

The fourth proportional to 1,157,240.34, 1,735,943.64 and 399,070.88 is: 598,634.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,240.34 : 1,735,943.64 = 399,070.88 : x
  2. Step 2: Convert to fraction form
    1,157,240.34/1,735,943.64 = 399,070.88/x
  3. Step 3: Cross multiply
    1,157,240.34x = 1,735,943.64 × 399,070.88
  4. Step 4: Simplify right side
    1,157,240.34x = 692,764,547,365.49
  5. Step 5: Solve for x
    x = 692,764,547,365.49/1,157,240.34
  6. Step 6: Final answer
    x = 598,634.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.