Home / 910,368.62-1,256,812.08-547,881.57

Finding the Fourth Proportional to 910,368.62, 1,256,812.08 and 547,881.57

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Solution

The fourth proportional to 910,368.62, 1,256,812.08 and 547,881.57 is: 756,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,368.62 : 1,256,812.08 = 547,881.57 : x
  2. Step 2: Convert to fraction form
    910,368.62/1,256,812.08 = 547,881.57/x
  3. Step 3: Cross multiply
    910,368.62x = 1,256,812.08 × 547,881.57
  4. Step 4: Simplify right side
    910,368.62x = 688,584,175,585.37
  5. Step 5: Solve for x
    x = 688,584,175,585.37/910,368.62
  6. Step 6: Final answer
    x = 756,379.52

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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.