Home / 955,004.31-1,317,878.16-525,284.32

Finding the Fourth Proportional to 955,004.31, 1,317,878.16 and 525,284.32

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Solution

The fourth proportional to 955,004.31, 1,317,878.16 and 525,284.32 is: 724,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,004.31 : 1,317,878.16 = 525,284.32 : x
  2. Step 2: Convert to fraction form
    955,004.31/1,317,878.16 = 525,284.32/x
  3. Step 3: Cross multiply
    955,004.31x = 1,317,878.16 × 525,284.32
  4. Step 4: Simplify right side
    955,004.31x = 692,260,733,118.45
  5. Step 5: Solve for x
    x = 692,260,733,118.45/955,004.31
  6. Step 6: Final answer
    x = 724,877.08

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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.