Home / 904,689.40-1,357,034.10-549,812.20

Finding the Fourth Proportional to 904,689.40, 1,357,034.10 and 549,812.20

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Solution

The fourth proportional to 904,689.40, 1,357,034.10 and 549,812.20 is: 824,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,689.40 : 1,357,034.10 = 549,812.20 : x
  2. Step 2: Convert to fraction form
    904,689.40/1,357,034.10 = 549,812.20/x
  3. Step 3: Cross multiply
    904,689.40x = 1,357,034.10 × 549,812.20
  4. Step 4: Simplify right side
    904,689.40x = 746,113,903,996.02
  5. Step 5: Solve for x
    x = 746,113,903,996.02/904,689.40
  6. Step 6: Final answer
    x = 824,718.30

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Double scale
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Similar ratio
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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.