Home / 914,038.48-1,261,372.30-506,140.30

Finding the Fourth Proportional to 914,038.48, 1,261,372.30 and 506,140.30

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Solution

The fourth proportional to 914,038.48, 1,261,372.30 and 506,140.30 is: 698,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,038.48 : 1,261,372.30 = 506,140.30 : x
  2. Step 2: Convert to fraction form
    914,038.48/1,261,372.30 = 506,140.30/x
  3. Step 3: Cross multiply
    914,038.48x = 1,261,372.30 × 506,140.30
  4. Step 4: Simplify right side
    914,038.48x = 638,431,354,333.69
  5. Step 5: Solve for x
    x = 638,431,354,333.69/914,038.48
  6. Step 6: Final answer
    x = 698,473.17

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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.