Home / 877,241.78-1,210,526.08-495,306.26

Finding the Fourth Proportional to 877,241.78, 1,210,526.08 and 495,306.26

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Solution

The fourth proportional to 877,241.78, 1,210,526.08 and 495,306.26 is: 683,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,241.78 : 1,210,526.08 = 495,306.26 : x
  2. Step 2: Convert to fraction form
    877,241.78/1,210,526.08 = 495,306.26/x
  3. Step 3: Cross multiply
    877,241.78x = 1,210,526.08 × 495,306.26
  4. Step 4: Simplify right side
    877,241.78x = 599,581,139,264.63
  5. Step 5: Solve for x
    x = 599,581,139,264.63/877,241.78
  6. Step 6: Final answer
    x = 683,484.48

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Double scale
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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.