Home / 877,196.34-1,210,506.93-495,258.66

Finding the Fourth Proportional to 877,196.34, 1,210,506.93 and 495,258.66

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Solution

The fourth proportional to 877,196.34, 1,210,506.93 and 495,258.66 is: 683,443.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,196.34 : 1,210,506.93 = 495,258.66 : x
  2. Step 2: Convert to fraction form
    877,196.34/1,210,506.93 = 495,258.66/x
  3. Step 3: Cross multiply
    877,196.34x = 1,210,506.93 × 495,258.66
  4. Step 4: Simplify right side
    877,196.34x = 599,514,040,072.51
  5. Step 5: Solve for x
    x = 599,514,040,072.51/877,196.34
  6. Step 6: Final answer
    x = 683,443.39

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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.