Home / 983,056.69-1,356,621.38-553,343.59

Finding the Fourth Proportional to 983,056.69, 1,356,621.38 and 553,343.59

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Solution

The fourth proportional to 983,056.69, 1,356,621.38 and 553,343.59 is: 763,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,056.69 : 1,356,621.38 = 553,343.59 : x
  2. Step 2: Convert to fraction form
    983,056.69/1,356,621.38 = 553,343.59/x
  3. Step 3: Cross multiply
    983,056.69x = 1,356,621.38 × 553,343.59
  4. Step 4: Simplify right side
    983,056.69x = 750,677,744,679.95
  5. Step 5: Solve for x
    x = 750,677,744,679.95/983,056.69
  6. Step 6: Final answer
    x = 763,615.93

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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.