Home / 648,039.10-973,225.05-470,746.30

Finding the Fourth Proportional to 648,039.10, 973,225.05 and 470,746.30

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Solution

The fourth proportional to 648,039.10, 973,225.05 and 470,746.30 is: 706,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,039.10 : 973,225.05 = 470,746.30 : x
  2. Step 2: Convert to fraction form
    648,039.10/973,225.05 = 470,746.30/x
  3. Step 3: Cross multiply
    648,039.10x = 973,225.05 × 470,746.30
  4. Step 4: Simplify right side
    648,039.10x = 458,142,091,354.82
  5. Step 5: Solve for x
    x = 458,142,091,354.82/648,039.10
  6. Step 6: Final answer
    x = 706,966.74

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Double scale
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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.