Home / 913,520.50-1,370,411.43-282,482.98

Finding the Fourth Proportional to 913,520.50, 1,370,411.43 and 282,482.98

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Solution

The fourth proportional to 913,520.50, 1,370,411.43 and 282,482.98 is: 423,764.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,520.50 : 1,370,411.43 = 282,482.98 : x
  2. Step 2: Convert to fraction form
    913,520.50/1,370,411.43 = 282,482.98/x
  3. Step 3: Cross multiply
    913,520.50x = 1,370,411.43 × 282,482.98
  4. Step 4: Simplify right side
    913,520.50x = 387,117,904,572.46
  5. Step 5: Solve for x
    x = 387,117,904,572.46/913,520.50
  6. Step 6: Final answer
    x = 423,764.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.