Home / 947,474.10-1,307,511.59-517,756.95

Finding the Fourth Proportional to 947,474.10, 1,307,511.59 and 517,756.95

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Solution

The fourth proportional to 947,474.10, 1,307,511.59 and 517,756.95 is: 714,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,474.10 : 1,307,511.59 = 517,756.95 : x
  2. Step 2: Convert to fraction form
    947,474.10/1,307,511.59 = 517,756.95/x
  3. Step 3: Cross multiply
    947,474.10x = 1,307,511.59 × 517,756.95
  4. Step 4: Simplify right side
    947,474.10x = 676,973,210,339.27
  5. Step 5: Solve for x
    x = 676,973,210,339.27/947,474.10
  6. Step 6: Final answer
    x = 714,503.13

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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.