Home / 953,328.08-1,315,272.64-539,808.34

Finding the Fourth Proportional to 953,328.08, 1,315,272.64 and 539,808.34

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Solution

The fourth proportional to 953,328.08, 1,315,272.64 and 539,808.34 is: 744,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,328.08 : 1,315,272.64 = 539,808.34 : x
  2. Step 2: Convert to fraction form
    953,328.08/1,315,272.64 = 539,808.34/x
  3. Step 3: Cross multiply
    953,328.08x = 1,315,272.64 × 539,808.34
  4. Step 4: Simplify right side
    953,328.08x = 709,995,140,445.82
  5. Step 5: Solve for x
    x = 709,995,140,445.82/953,328.08
  6. Step 6: Final answer
    x = 744,754.25

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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.