Home / 910,491.83-1,256,508.47-497,050.66

Finding the Fourth Proportional to 910,491.83, 1,256,508.47 and 497,050.66

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Solution

The fourth proportional to 910,491.83, 1,256,508.47 and 497,050.66 is: 685,946.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,491.83 : 1,256,508.47 = 497,050.66 : x
  2. Step 2: Convert to fraction form
    910,491.83/1,256,508.47 = 497,050.66/x
  3. Step 3: Cross multiply
    910,491.83x = 1,256,508.47 × 497,050.66
  4. Step 4: Simplify right side
    910,491.83x = 624,548,355,541.30
  5. Step 5: Solve for x
    x = 624,548,355,541.30/910,491.83
  6. Step 6: Final answer
    x = 685,946.14

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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.