Home / 740,459.60-1,021,070.52-633,384.08

Finding the Fourth Proportional to 740,459.60, 1,021,070.52 and 633,384.08

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Solution

The fourth proportional to 740,459.60, 1,021,070.52 and 633,384.08 is: 873,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,459.60 : 1,021,070.52 = 633,384.08 : x
  2. Step 2: Convert to fraction form
    740,459.60/1,021,070.52 = 633,384.08/x
  3. Step 3: Cross multiply
    740,459.60x = 1,021,070.52 × 633,384.08
  4. Step 4: Simplify right side
    740,459.60x = 646,729,811,925.32
  5. Step 5: Solve for x
    x = 646,729,811,925.32/740,459.60
  6. Step 6: Final answer
    x = 873,416.74

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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.