Home / 1,445,360.90-2,168,042.93-434,482.76

Finding the Fourth Proportional to 1,445,360.90, 2,168,042.93 and 434,482.76

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Solution

The fourth proportional to 1,445,360.90, 2,168,042.93 and 434,482.76 is: 651,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,360.90 : 2,168,042.93 = 434,482.76 : x
  2. Step 2: Convert to fraction form
    1,445,360.90/2,168,042.93 = 434,482.76/x
  3. Step 3: Cross multiply
    1,445,360.90x = 2,168,042.93 × 434,482.76
  4. Step 4: Simplify right side
    1,445,360.90x = 941,977,273,852.47
  5. Step 5: Solve for x
    x = 941,977,273,852.47/1,445,360.90
  6. Step 6: Final answer
    x = 651,724.61

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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.