Home / 1,776,006.60-2,664,009.90-653,929.80

Finding the Fourth Proportional to 1,776,006.60, 2,664,009.90 and 653,929.80

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Solution

The fourth proportional to 1,776,006.60, 2,664,009.90 and 653,929.80 is: 980,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,006.60 : 2,664,009.90 = 653,929.80 : x
  2. Step 2: Convert to fraction form
    1,776,006.60/2,664,009.90 = 653,929.80/x
  3. Step 3: Cross multiply
    1,776,006.60x = 2,664,009.90 × 653,929.80
  4. Step 4: Simplify right side
    1,776,006.60x = 1,742,075,461,105.02
  5. Step 5: Solve for x
    x = 1,742,075,461,105.02/1,776,006.60
  6. Step 6: Final answer
    x = 980,894.70

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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.