Home / 1,065,566.40-1,470,510.48-636,095.78

Finding the Fourth Proportional to 1,065,566.40, 1,470,510.48 and 636,095.78

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Solution

The fourth proportional to 1,065,566.40, 1,470,510.48 and 636,095.78 is: 877,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,566.40 : 1,470,510.48 = 636,095.78 : x
  2. Step 2: Convert to fraction form
    1,065,566.40/1,470,510.48 = 636,095.78/x
  3. Step 3: Cross multiply
    1,065,566.40x = 1,470,510.48 × 636,095.78
  4. Step 4: Simplify right side
    1,065,566.40x = 935,385,510,773.77
  5. Step 5: Solve for x
    x = 935,385,510,773.77/1,065,566.40
  6. Step 6: Final answer
    x = 877,829.40

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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.