Home / 910,030.50-1,255,842.09-507,622.50

Finding the Fourth Proportional to 910,030.50, 1,255,842.09 and 507,622.50

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Solution

The fourth proportional to 910,030.50, 1,255,842.09 and 507,622.50 is: 700,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,030.50 : 1,255,842.09 = 507,622.50 : x
  2. Step 2: Convert to fraction form
    910,030.50/1,255,842.09 = 507,622.50/x
  3. Step 3: Cross multiply
    910,030.50x = 1,255,842.09 × 507,622.50
  4. Step 4: Simplify right side
    910,030.50x = 637,493,701,331.03
  5. Step 5: Solve for x
    x = 637,493,701,331.03/910,030.50
  6. Step 6: Final answer
    x = 700,519.05

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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.