Home / 646,216.55-968,875.95-286,191.21

Finding the Fourth Proportional to 646,216.55, 968,875.95 and 286,191.21

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Solution

The fourth proportional to 646,216.55, 968,875.95 and 286,191.21 is: 429,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,216.55 : 968,875.95 = 286,191.21 : x
  2. Step 2: Convert to fraction form
    646,216.55/968,875.95 = 286,191.21/x
  3. Step 3: Cross multiply
    646,216.55x = 968,875.95 × 286,191.21
  4. Step 4: Simplify right side
    646,216.55x = 277,283,781,461.63
  5. Step 5: Solve for x
    x = 277,283,781,461.63/646,216.55
  6. Step 6: Final answer
    x = 429,088.02

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1.5x scale

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.