Home / 865,888.40-1,194,962.90-483,915.17

Finding the Fourth Proportional to 865,888.40, 1,194,962.90 and 483,915.17

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Solution

The fourth proportional to 865,888.40, 1,194,962.90 and 483,915.17 is: 667,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,888.40 : 1,194,962.90 = 483,915.17 : x
  2. Step 2: Convert to fraction form
    865,888.40/1,194,962.90 = 483,915.17/x
  3. Step 3: Cross multiply
    865,888.40x = 1,194,962.90 × 483,915.17
  4. Step 4: Simplify right side
    865,888.40x = 578,260,674,897.19
  5. Step 5: Solve for x
    x = 578,260,674,897.19/865,888.40
  6. Step 6: Final answer
    x = 667,823.56

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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.