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Finding the Fourth Proportional to 953,117.76, 1,315,597.74 and 613,586

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Solution

The fourth proportional to 953,117.76, 1,315,597.74 and 613,586 is: 846,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,117.76 : 1,315,597.74 = 613,586 : x
  2. Step 2: Convert to fraction form
    953,117.76/1,315,597.74 = 613,586/x
  3. Step 3: Cross multiply
    953,117.76x = 1,315,597.74 × 613,586
  4. Step 4: Simplify right side
    953,117.76x = 807,232,354,895.64
  5. Step 5: Solve for x
    x = 807,232,354,895.64/953,117.76
  6. Step 6: Final answer
    x = 846,938.74

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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.