Home / 746,538.84-1,030,351.32-517,428.72

Finding the Fourth Proportional to 746,538.84, 1,030,351.32 and 517,428.72

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Solution

The fourth proportional to 746,538.84, 1,030,351.32 and 517,428.72 is: 714,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,538.84 : 1,030,351.32 = 517,428.72 : x
  2. Step 2: Convert to fraction form
    746,538.84/1,030,351.32 = 517,428.72/x
  3. Step 3: Cross multiply
    746,538.84x = 1,030,351.32 × 517,428.72
  4. Step 4: Simplify right side
    746,538.84x = 533,133,364,657.91
  5. Step 5: Solve for x
    x = 533,133,364,657.91/746,538.84
  6. Step 6: Final answer
    x = 714,140.16

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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.