Home / 965,038.70-1,331,913.10-535,457.22

Finding the Fourth Proportional to 965,038.70, 1,331,913.10 and 535,457.22

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Solution

The fourth proportional to 965,038.70, 1,331,913.10 and 535,457.22 is: 739,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,038.70 : 1,331,913.10 = 535,457.22 : x
  2. Step 2: Convert to fraction form
    965,038.70/1,331,913.10 = 535,457.22/x
  3. Step 3: Cross multiply
    965,038.70x = 1,331,913.10 × 535,457.22
  4. Step 4: Simplify right side
    965,038.70x = 713,182,485,807.58
  5. Step 5: Solve for x
    x = 713,182,485,807.58/965,038.70
  6. Step 6: Final answer
    x = 739,019.57

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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.