Home / 917,536.88-1,376,237.28-385,036.40

Finding the Fourth Proportional to 917,536.88, 1,376,237.28 and 385,036.40

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Solution

The fourth proportional to 917,536.88, 1,376,237.28 and 385,036.40 is: 577,526.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,536.88 : 1,376,237.28 = 385,036.40 : x
  2. Step 2: Convert to fraction form
    917,536.88/1,376,237.28 = 385,036.40/x
  3. Step 3: Cross multiply
    917,536.88x = 1,376,237.28 × 385,036.40
  4. Step 4: Simplify right side
    917,536.88x = 529,901,447,836.99
  5. Step 5: Solve for x
    x = 529,901,447,836.99/917,536.88
  6. Step 6: Final answer
    x = 577,526.05

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1.5x scale

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.