Home / 1,938,984.80-2,908,792.50-572,897.12

Finding the Fourth Proportional to 1,938,984.80, 2,908,792.50 and 572,897.12

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Solution

The fourth proportional to 1,938,984.80, 2,908,792.50 and 572,897.12 is: 859,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,984.80 : 2,908,792.50 = 572,897.12 : x
  2. Step 2: Convert to fraction form
    1,938,984.80/2,908,792.50 = 572,897.12/x
  3. Step 3: Cross multiply
    1,938,984.80x = 2,908,792.50 × 572,897.12
  4. Step 4: Simplify right side
    1,938,984.80x = 1,666,438,845,927.60
  5. Step 5: Solve for x
    x = 1,666,438,845,927.60/1,938,984.80
  6. Step 6: Final answer
    x = 859,438.84

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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.