Home / 1,038,706.70-1,558,060.05-478,834.70

Finding the Fourth Proportional to 1,038,706.70, 1,558,060.05 and 478,834.70

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Solution

The fourth proportional to 1,038,706.70, 1,558,060.05 and 478,834.70 is: 718,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,706.70 : 1,558,060.05 = 478,834.70 : x
  2. Step 2: Convert to fraction form
    1,038,706.70/1,558,060.05 = 478,834.70/x
  3. Step 3: Cross multiply
    1,038,706.70x = 1,558,060.05 × 478,834.70
  4. Step 4: Simplify right side
    1,038,706.70x = 746,053,216,623.74
  5. Step 5: Solve for x
    x = 746,053,216,623.74/1,038,706.70
  6. Step 6: Final answer
    x = 718,252.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.