Home / 1,030,526.40-1,422,127.02-628,118.40

Finding the Fourth Proportional to 1,030,526.40, 1,422,127.02 and 628,118.40

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Solution

The fourth proportional to 1,030,526.40, 1,422,127.02 and 628,118.40 is: 866,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,526.40 : 1,422,127.02 = 628,118.40 : x
  2. Step 2: Convert to fraction form
    1,030,526.40/1,422,127.02 = 628,118.40/x
  3. Step 3: Cross multiply
    1,030,526.40x = 1,422,127.02 × 628,118.40
  4. Step 4: Simplify right side
    1,030,526.40x = 893,264,148,399.17
  5. Step 5: Solve for x
    x = 893,264,148,399.17/1,030,526.40
  6. Step 6: Final answer
    x = 866,803.75

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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.