Home / 914,905.83-1,262,573.02-507,014.40

Finding the Fourth Proportional to 914,905.83, 1,262,573.02 and 507,014.40

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Solution

The fourth proportional to 914,905.83, 1,262,573.02 and 507,014.40 is: 699,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,905.83 : 1,262,573.02 = 507,014.40 : x
  2. Step 2: Convert to fraction form
    914,905.83/1,262,573.02 = 507,014.40/x
  3. Step 3: Cross multiply
    914,905.83x = 1,262,573.02 × 507,014.40
  4. Step 4: Simplify right side
    914,905.83x = 640,142,702,191.49
  5. Step 5: Solve for x
    x = 640,142,702,191.49/914,905.83
  6. Step 6: Final answer
    x = 699,681.52

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1.5x scale

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.