Home / 859,023.50-1,186,045.54-536,878.40

Finding the Fourth Proportional to 859,023.50, 1,186,045.54 and 536,878.40

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Solution

The fourth proportional to 859,023.50, 1,186,045.54 and 536,878.40 is: 741,262.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,023.50 : 1,186,045.54 = 536,878.40 : x
  2. Step 2: Convert to fraction form
    859,023.50/1,186,045.54 = 536,878.40/x
  3. Step 3: Cross multiply
    859,023.50x = 1,186,045.54 × 536,878.40
  4. Step 4: Simplify right side
    859,023.50x = 636,762,224,569.91
  5. Step 5: Solve for x
    x = 636,762,224,569.91/859,023.50
  6. Step 6: Final answer
    x = 741,262.87

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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.