Home / 974,370.48-1,344,603.20-538,780.20

Finding the Fourth Proportional to 974,370.48, 1,344,603.20 and 538,780.20

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Solution

The fourth proportional to 974,370.48, 1,344,603.20 and 538,780.20 is: 743,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,370.48 : 1,344,603.20 = 538,780.20 : x
  2. Step 2: Convert to fraction form
    974,370.48/1,344,603.20 = 538,780.20/x
  3. Step 3: Cross multiply
    974,370.48x = 1,344,603.20 × 538,780.20
  4. Step 4: Simplify right side
    974,370.48x = 724,445,578,322.74
  5. Step 5: Solve for x
    x = 724,445,578,322.74/974,370.48
  6. Step 6: Final answer
    x = 743,501.16

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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.