Home / 910,037.22-1,255,841.50-502,156.25

Finding the Fourth Proportional to 910,037.22, 1,255,841.50 and 502,156.25

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Solution

The fourth proportional to 910,037.22, 1,255,841.50 and 502,156.25 is: 692,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,037.22 : 1,255,841.50 = 502,156.25 : x
  2. Step 2: Convert to fraction form
    910,037.22/1,255,841.50 = 502,156.25/x
  3. Step 3: Cross multiply
    910,037.22x = 1,255,841.50 × 502,156.25
  4. Step 4: Simplify right side
    910,037.22x = 630,628,660,118.59
  5. Step 5: Solve for x
    x = 630,628,660,118.59/910,037.22
  6. Step 6: Final answer
    x = 692,970.18

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Double scale
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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.