Home / 908,530.88-1,253,772.65-526,779.10

Finding the Fourth Proportional to 908,530.88, 1,253,772.65 and 526,779.10

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Solution

The fourth proportional to 908,530.88, 1,253,772.65 and 526,779.10 is: 726,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,530.88 : 1,253,772.65 = 526,779.10 : x
  2. Step 2: Convert to fraction form
    908,530.88/1,253,772.65 = 526,779.10/x
  3. Step 3: Cross multiply
    908,530.88x = 1,253,772.65 × 526,779.10
  4. Step 4: Simplify right side
    908,530.88x = 660,461,219,268.86
  5. Step 5: Solve for x
    x = 660,461,219,268.86/908,530.88
  6. Step 6: Final answer
    x = 726,955.17

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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.