Home / 712,964.84-983,523.47-483,444.45

Finding the Fourth Proportional to 712,964.84, 983,523.47 and 483,444.45

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Solution

The fourth proportional to 712,964.84, 983,523.47 and 483,444.45 is: 666,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,964.84 : 983,523.47 = 483,444.45 : x
  2. Step 2: Convert to fraction form
    712,964.84/983,523.47 = 483,444.45/x
  3. Step 3: Cross multiply
    712,964.84x = 983,523.47 × 483,444.45
  4. Step 4: Simplify right side
    712,964.84x = 475,478,960,599.02
  5. Step 5: Solve for x
    x = 475,478,960,599.02/712,964.84
  6. Step 6: Final answer
    x = 666,903.80

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Double scale
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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.